Chapter 1017

My"o*chrome (?) , n. [ Myo- + Gr. <?/ color.] (Physiol.) A colored albuminous substance in the serum from red-colored muscles. It is identical with hemoglobin.

Myocomma <Xpage=959>

My`o*com"ma (?) , n. ; pl. L. Myocommata (#) , E. Myocommas (#) . [NL. See Myo- , and Comma .] (Anat.) A myotome.

Myodynamics <Xpage=959>

My`o*dy*nam"ics (?) , n. [ Myo- + dynamics .] (Physiol.) The department of physiology which deals with the principles of muscular contraction; the exercise of muscular force or contraction.

Myodynamiometer <Xpage=959>

My`o*dy*na`mi*om"e*ter (?) , n. A myodynamometer.

Myodynamometer <Xpage=959>

My`o*dy`na*mom"e*ter (?) , n. [ Myo- + E. dynamometer .] (Physiol.) An instrument for measuring the muscular strength of man or of other animals; a dynamometer.

Dunglison.

Myoepithelial <Xpage=959>

My`o*ep`i*the"li*al (?) , a. [ Myo- + epithelial .] 1. (Biol.) Derived from epithelial cells and destined to become a part of the muscular system; -- applied to structural elements in certain embryonic forms.

2. (Zo\'94l.) Having the characteristics of both muscle and epithelium; as, the myoepithelial cells of the hydra .

Myogalid <Xpage=959>

My*og"a*lid (?) , n. [ Myo- + Gr. <?/ a weasel.] (Zo\'94l.) One of the Myogalod\'91 , a family of Insectivora, including the desman, and allied species.

Myogram <Xpage=959>

My"o*gram (?) , n. [ Myo- + -gram .] (Physiol.) See Muscle curve , under Muscle .

Myograph <Xpage=959>

My"o*graph (?) , n. [ Myo- + -graph .] (Physiol.) An instrument for determining and recording the different phases, as the intensity, velocity, etc., of a muscular contraction.

Myographic, Myographical <Xpage=959>

My`o*graph"ic (?) , My`o*graph"ic*al (?) , a. Of or pertaining to myography.

Myography <Xpage=959>

My*og"ra*phy (?) , n. [Cf. F. myographie .] The description of muscles, including the study of muscular contraction by the aid of registering apparatus, as by some form of myograph; myology.

Myoh\'91matin <Xpage=959>

My`o*h\'91m"a*tin (?) , n. [ Myo- + h\'91matin .] (Physiol.) A red-colored respiratory pigment found associated with hemoglobin in the muscle tissue of a large number of animals, both vertebrate and invertebrate.

Myoid <Xpage=959>

My"oid (?) , a. [ Myo- + -oid .] Composed of, or resembling, muscular fiber.

Myolemma <Xpage=959>

My`o*lem"ma (?) , n. [NL., fr. Gr. <?/, <?/, a muscle + <?/ skin.] (Anat.) Sarcolemma.

Myolin <Xpage=959>

My"o*lin (?) , n. [Gr. <?/, <?/, muscle.] (Physiol.) The essential material of muscle fibers.

Myologic, Myological <Xpage=959>

My`o*log"ic (?) , My`o*log"ic*al (?) , a. Of or pertaining to myology.

Myologist <Xpage=959>

My*ol"o*gist (?) , n. One skilled in myology.

Myology <Xpage=959>

My*ol"o*gy (?) , n. [ Myo- + -logy : cf. F. myologie .] That part of anatomy which treats of muscles.

Myoma <Xpage=959>

My*o"ma (?) , n. [NL. See Myo- , and -oma .] (Med.) A tumor consisting of muscular tissue.

Myomancy <Xpage=959>

My"o*man`cy (?) , n. [Gr. <?/ mouse + -mancy .] Divination by the movements of mice.

Myomorph <Xpage=959>

My"o*morph (?) , n. One of the Myomorpha.

Myomorpha <Xpage=959>

My`o*mor"pha (?) , n. pl. [NL., fr. Gr. <?/, <?/, a mouse + <?/ form.] (Zo\'94l.) An extensive group of rodents which includes the rats, mice, jerboas, and many allied forms.

Myopathia <Xpage=959>

My`o*pa*thi"a (?) , n. [NL., fr. Gr. <?/, <?/, a muscle + <?/, <?/, to suffer.] (Med.) Any affection of the muscles or muscular system.

Myopathic <Xpage=959>

My`o*path"ic (?) , a. (Med.) Of or pertaining to myopathia.

Myopathy <Xpage=959>

My*op"a*thy (?) , n. Same as Myopathia .

Myope <Xpage=959>

My"ope (?) , n. [F., fr. Gr. <?/, <?/; <?/ to close, shut the eyes + <?/, <?/, the eye.] A person having myopy; a myops.

Myophan <Xpage=959>

My"o*phan (?) , n. [ Myo- + Gr. <?/ to show.] (Zo\'94l.) A contractile striated layer found in the bodies and stems of certain Infusoria.

Myopia <Xpage=959>

My*o"pi*a (?) , n. [NL. See Myope .] (Med.) Nearsightedness; shortsightedness; a condition of the eye in which the rays from distant object are brought to a focus before they reach the retina, and hence form an indistinct image; while the rays from very near objects are normally converged so as to produce a distinct image. It is corrected by the use of a concave lens.

Myopic <Xpage=959>

My*op"ic (?) , a. Pertaining to, or affected with, or characterized by, myopia; nearsighted.

Myopic astigmatism , a condition in which the eye is affected with myopia in one meridian only.

Myips <Xpage=959>

My"ips (?) , n. [NL.] See Myope .

Myopsis <Xpage=959>

My*op"sis (?) , n. [NL., fr. Gr. <?/ fly + <?/ sight.] (Med.) The appearance of musc\'91 volitantes. See Musc\'91 volitantes , under Musca .

Myopy <Xpage=959>

My"o*py (?) , n. [F. myopie .] (Med.) Myopia.

Myosin <Xpage=959>

My"o*sin (?) , n. [Gr. <?/, a muscle.] (Physiol. Chem.) An albuminous body present in dead muscle, being formed in the process of coagulation which takes place in rigor mortis ; the clot formed in the coagulation of muscle plasma. See Muscle plasma , under Plasma .

&hand; Myosin belongs to the group of globulins. It is insoluble in water, but soluble in dilute solution of salt, and is especially characterized by being completely precipitated by saturation of its solutions with salt.

Myosis <Xpage=959>

My*o"sis (?) , n. [NL., fr. Gr. <?/ to close the eyes or lips.] (Med.) Long-continued contraction of the pupil of the eye.

Myositic <Xpage=959>

My`o*sit"ic (?) , a. (Med.) Myotic.

Myositis <Xpage=959>

My`o*si"tis (?) , n. [NL., fr. Gr. <?/, <?/, muscle + -itis .] (Med.) Inflammation of the muscles.

Myosotis <Xpage=959>

My`o*so"tis (?) , n. [NL.; Gr. <?/, lit., mouse ear.] (Bot.) A genus of plants. See Mouse-ear .

Myotic <Xpage=959>

My*ot"ic (?) , a. [See Myosis .] (Med.) Producing myosis, or contraction of the pupil of the eye, as opium, calabar bean, etc. -- n. A myotic agent.

Myotome <Xpage=959>

My"o*tome (?) , n. [See Myotomy .] (Anat.) (a) A muscular segment; one of the zones into which the muscles of the trunk, especially in fishes, are divided; a myocomma. (b) One of the embryonic muscular segments arising from the protovertebr\'91; also, one of the protovertebr\'91 themselves. (c) The muscular system of one metamere of an articulate.

Myotomic <Xpage=959>

My`o*tom"ic (?) , a. (Anat.) Of or pertaining to a myotome or myotomes.

Myotomy <Xpage=959>

My*ot"o*my (?) , n. [ Myo- + Gr. <?/ to cut: cf. F. myotomie .] The dissection, or that part of anatomy which treats of the dissection, of muscles.

Myrcia <Xpage=959>

Myr"ci*a (?) , n. [NL.] (Bot.) A large genus of tropical American trees and shrubs, nearly related to the true myrtles ( Myrtus ), from which they differ in having very few seeds in each berry.

Myria- <Xpage=959>

Myr"i*a- (?) . [Gr. <?/ a myriad. See Myriad .] A prefix, esp. in the metric system, indicating ten thousand , ten thousand times ; as, myria meter .

Myriacanthous <Xpage=959>

Myr`i*a*can"thous (?) , a. [Gr. <?/ numberless + <?/ a spine.] (Zo\'94l.) Having numerous spines, as certain fishes.

Myriad <Xpage=959>

Myr"i*ad (?) , n. [Gr. <?/, <?/, fr. <?/ numberless, pl. <?/ ten thousand: cf. F. myriade .] 1. The number of ten thousand; ten thousand persons or things.

2. An immense number; a very great many; an indefinitely large number.

Myriad <Xpage=959>

Myr"i*ad , a. Consisting of a very great, but indefinite, number; as, myriad stars .

Myriagram, Myriagramme <Xpage=959>

Myr"i*a*gram , Myr"i*a*gramme (?) , n. [F. myriagramme . See Myria- , and 3d Gram .] A metric weight, consisting of ten thousand grams or ten kilograms. It is equal to 22.046 lbs. avoirdupois.

Myrialiter, Myrialitre <Xpage=959>

Myr"i*a*li`ter , Myr"i*a*li`tre (?) , n. [F. myrialitre . See Myria- , and Liter .] A metric measure of capacity, containing ten thousand liters. It is equal to 2641.7 wine gallons.

Myriameter, Myriametre <Xpage=959>

Myr"i*a*me`ter , Myr"i*a*me`tre (?) , n. [F. myriam\'8atre . See Myria- , and Meter .] A metric measure of length, containing ten thousand meters. It is equal to 6.2137 miles.

Myriapod <Xpage=959>

Myr"i*a*pod (?) , n. [Cf. F. myriapode .] (Zo\'94l.) One of the Myriapoda.

Myriapoda <Xpage=959>

Myr`i*ap"o*da (?) , n. pl. [NL., fr. Gr. <?/ numberless + -poda .] (Zo\'94l.) A class, or subclass, of arthropods, related to the hexapod insects, from which they differ in having the body made up of numerous similar segments, nearly all of which bear true jointed legs. They have one pair of antenn\'91, three pairs of mouth organs, and numerous tracha\'91, similar to those of true insects. The larv\'91, when first hatched, often have but three pairs of legs. See Centiped , Galleyworm , Milliped .

&hand; The existing Myriapoda are divided into three orders: Chilopoda , Chilognatha or Diplopoda , and Pauropoda (see these words in the Vocabulary). Large fossil species (very different from any living forms) are found in the Carboniferous formation.

Myriarch <Xpage=959>

Myr"i*arch (?) , n. [Gr. <?/, <?/; <?/ ten thousand + <?/ chief.] A captain or commander of ten thousand men.

Myriare <Xpage=959>

Myr"i*are (?) , n. [F. See Myria- , and 2d Are .] A measure of surface in the metric system containing ten thousand ares, or one million square meters. It is equal to about 247.1 acres.

Myrica <Xpage=959>

My*ri"ca (?) , n. [L., fr. Gr. <?/ tamarisk.] (Bot.) A widely dispersed genus of shrubs and trees, usually with aromatic foliage. It includes the bayberry or wax myrtle, the sweet gale, and the North American sweet fern, so called.

Myricin <Xpage=959>

Myr"i*cin (?) , n. [Cf. F. myricine . Prob. so called from a fancied resemblance to the wax of the bayberry ( Myrica ).] (Chem.) A silky, crystalline, waxy substance, forming the less soluble part of beeswax, and regarded as a palmitate of a higher alcohol of the paraffin series; -- called also myricyl alcohol .

Myricyl <Xpage=959>

Myr"i*cyl (?) , n. [ Myric in + -yl .] (Chem.) A hypothetical radical regarded as the essential residue of myricin; -- called also melissyl .

Myriological <Xpage=959>

Myr`i*o*log"ic*al (?) , a. Of or relating to a myriologue.

Myriologist <Xpage=959>

Myr`i*ol"o*gist (?) , n. One who composes or sings a myriologue.

Myriologue <Xpage=959>

Myr"i*o*logue (?) , n. [F. myriologue , myriologie , NGr. <?/, <?/, fr. Gr. <?/ the goddess of fate or death + <?/ speech, discourse.] An extemporaneous funeral song, composed and sung by a woman on the death of a friend. [Modern Greece]

Myriophyllous <Xpage=959>

Myr`i*oph"yl*lous (?) , a. [Gr. <?/ numberless + <?/ leaf.] (Bot.) Having an indefinitely great or countless number of leaves.

Myriopoda <Xpage=959>

Myr`i*op"o*da (?) , n. pl. See Myriapoda .

Myriorama <Xpage=959>

Myr`i*o*ra"ma (?) , n. [Gr. <?/ numberless + <?/ a sight, fr. <?/ to see.] A picture made up of several smaller pictures, drawn upon separate pieces in such a manner as to admit of combination in many different ways, thus producing a great variety of scenes or landscapes.

Myrioscope <Xpage=959>

Myr"i*o*scope (?) , n. [Gr. <?/ numberless + -scope .] A form of kaleidoscope.

<page="960"> Page 960

Myristate <Xpage=960>

My*ris"tate (?) , n. (Chem.) A salt of myristic acid.

Myristic <Xpage=960>

My*ris"tic (?) , a. (Chem.) Pertaining to, or derived from, the nutmeg ( Myristica ). Specifically, designating an acid found in nutmeg oil and otoba fat, and extracted as a white crystalline waxy substance.

Myristin <Xpage=960>

My*ris"tin (?) , n. (Chem.) The myristate of glycerin, -- found as a vegetable fat in nutmeg butter, etc.

Myristone <Xpage=960>

My*ris"tone (?) , n. [ Myrist c + -one .] (Chem.) The ketone of myristic acid, obtained as a white crystalline substance.

Myrmicine <Xpage=960>

Myr"mi*cine (?) , a. (Zo\'94l.) Of or pertaining to Myrmica , a genus of ants including the small house ant ( M. molesta ), and many others.

Myrmidon <Xpage=960>

Myr"mi*don (?) , n. [L. Myrmidones , Gr. <?/, pl.] 1. One of a fierce tribe or troop who accompained Achilles, their king, to the Trojan war.

2. A soldier or a subordinate civil officer who executes cruel orders of a superior without protest or pity; -- sometimes applied to bailiffs, constables, etc.

Thackeray.

With unabated ardor the vindictive man of law and his myrmidons pressed forward. W. H. Ainsworth.

Myrmidonian <Xpage=960>

Myr`mi*do"ni*an (?) , a. Consisting of, or like, myrmidons.

Pope.

Myrmotherine <Xpage=960>

Myr`mo*the"rine (?) , a. [Gr. <?/ an ant + <?/ to hunt.] (Zo\'94l.) Feeding upon ants; -- said of certain birds.

Myrobalan, Myrobolan <Xpage=960>

My*rob"a*lan (?) , My*rob"o*lan (?) , n. [L. myrobalanum the fruit of a palm tree from which a balsam was made, Gr. <?/; <?/ any sweet juice distilling from plants, any prepared unguent or sweet oil + <?/ an acorn or any similar fruit: cf. F. myrobolan .] A dried astringent fruit much resembling a prune. It contains tannin, and was formerly used in medicine, but is now chiefly used in tanning and dyeing. Myrobolans are produced by various species of Terminalia of the East Indies, and of Spondias of South America.

Myronic <Xpage=960>

My*ron"ic (?) , a. [Gr. <?/ a sweet-smelling unguent.] (Chem.) Pertaining to, or obtained from, mustard; -- used specifically to designate a glucoside called myronic acid , found in mustard seed.

Myropolist <Xpage=960>

My*rop"o*list (?) , n. [Gr. <?/; <?/ unguent + <?/ to sell.] One who sells unguents or perfumery. [Obs.]

Jonhson.

Myrosin <Xpage=960>

Myr"o*sin (?) , n. (Chem.) A ferment, resembling diastase, found in mustard seeds.

Myroxylon <Xpage=960>

My*rox"y*lon (?) , n. [NL., fr. Gr. <?/ a sweet juice distilling from a plant + <?/ wood.] (Bot.) A genus of leguminous trees of tropical America, the different species of which yield balsamic products, among which are balsam of Peru, and balsam of Tolu. The species were formerly referred to Myrospermum .

Myrrh <Xpage=960>

Myrrh (?) , n. [OE. mirre , OF. mirre , F. myrrhe , L. myrrha , murra , Gr. <?/; cf. Ar. murr bitter, also myrrh, Heb. mar bitter.] A gum resin, usually of a yellowish brown or amber color, of an aromatic odor, and a bitter, slightly pungent taste. It is valued for its odor and for its medicinal properties. It exuds from the bark of a shrub of Abyssinia and Arabia, the Balsamodendron Myrrha . The myrrh of the Bible is supposed to have been partly the gum above named, and partly the exudation of species of Cistus , or rockrose.

False myrrh . See the Note under Bdellium .

Myrrhic <Xpage=960>

Myr"rhic (?) , a. Of, pertaining to, or obtained from, myrrh.

Myrrhine <Xpage=960>

Myr"rhine (?) , a. Murrhine.

Myrtaceous <Xpage=960>

Myr*ta"ceous (?) , a. [L. myrtaceus .] (Bot.) Of, pertaining to, or resembling, a large and important natural order of trees and shrubs ( Myrtace\'91 ), of which the myrtle is the type. It includes the genera Eucalyptus , Pimenta , Lechythis , and about seventy more.

Myrtiform <Xpage=960>

Myr"ti*form (?) , a. [L. myrtus myrtle + -form : cf. F. myrtiforme .] Resembling myrtle or myrtle berries; having the form of a myrtle leaf.

Myrtle <Xpage=960>

Myr"tle (?) , n. [F. myrtil bilberry, prop., a little myrtle, from myrte myrtle, L. myrtus , murtus , Gr. <?/; cf. Per. m<?/rd .] (Bot.) A species of the genus Myrtus , especially Myrtus communis . The common myrtle has a shrubby, upright stem, eight or ten feet high. Its branches form a close, full head, thickly covered with ovate or lanceolate evergreen leaves. It has solitary axillary white or rosy flowers, followed by black several-seeded berries. The ancients considered it sacred to Venus. The flowers, leaves, and berries are used variously in perfumery and as a condiment, and the beautifully mottled wood is used in turning.

&hand; The name is also popularly but wrongly applied in America to two creeping plants, the blue-flowered periwinkle and the yellow-flowered moneywort. In the West Indies several myrtaceous shrubs are called myrtle .

Bog myrtle , the sweet gale. -- Crape myrtle . See under Crape . -- Myrtle warbler (Zo\'94l.) , a North American wood warbler ( Dendroica coronata ); -- called also myrtle bird , yellow-rumped warbler , and yellow-crowned warbler . -- Myrtle wax . (Bot.) See Bayberry tallow , under Bayberry . -- Sand myrtle , a low, branching evergreen shrub ( Leiophyllum buxifolium ), growing in New Jersey and southward. -- Wax myrtle ( Myrica cerifera ). See Bayberry .

Myself <Xpage=960>

My*self" (?) , pron. ; pl. Ourselves (<?/) . I or me in person; -- used for emphasis, my own self or person; as I myself will do it; I have done it myself ; -- used also instead of me , as the object of the first person of a reflexive verb, without emphasis; as, I will defend myself . <-- reflexive pron. -->

Myselven <Xpage=960>

My*selv"en (?) , pron. Myself. [Obs.]

Mysis <Xpage=960>