Chapter 418

1. The act of leaving with an intention not to reclaim or resume; an utter forsaking abandonment.

Cession or dereliction , actual or tacit, of other powers. Burke.

2. A neglect or omission as if by willful abandonment.

A total dereliction of military duties. Sir W. Scott.

3. The state of being left or abandoned.

4. (Law) A retiring of the sea, occasioning a change of high-water mark, whereby land is gained.

Dereligionize <Xpage=395>

De`re*li"gion*ize (?) , v. t. To make irreligious; to turn from religion. [R.]

He would dereligionize men beyond all others. De Quincey.

Dereling <Xpage=395>

Dere"ling (?) , n. Darling. [Obs.]

Chaucer.

Dereling <Xpage=395>

Dere"ling (?) , n. Darling. [Obs.]

Chaucer.

Derf <Xpage=395>

Derf (?) , a. [Icel. djafr .] Strong; powerful; fierce. [Obs.] -- Derf"ly , adv. [Obs.]

Deride <Xpage=395>

De*ride" (?) , v. t. [ imp. & p. p. Derided ; p. pr. & vb. n. Deriding .] [L. deridere , derisum ; de- + rid<?/re to laugh. See Ridicule .] To laugh at with contempt; to laugh to scorn; to turn to ridicule or make sport of; to mock; to scoff at.

And the Pharisees, also, . . . derided him. Luke xvi. 14.

Sport that wrinkled Care derides . And Laughter holding both his sides. Milton.

Syn. -- To mock; laugh at; ridicule; insult; taunt; jeer; banter; rally. -- To Deride , Ridicule , Mock , Taunt . A man may ridicule without any unkindness of feeling; his object may be to correct; as, to ridicule the follies of the age . He who derides is actuated by a severe a contemptuous spirit; as, to deride one for his religious principles . To mock is stronger, and denotes open and scornful derision; as, to mock at sin . To taunt is to reproach with the keenest insult; as, to taunt one for his misfortunes . Ridicule consists more in words than in actions; derision and mockery evince themselves in actions as well as words; taunts are always expressed in words of extreme bitterness.

Derider <Xpage=395>

De*rid"er (?) , n. One who derides, or laughs at, another in contempt; a mocker; a scoffer.

Deridingly <Xpage=395>

De*rid"ing*ly , adv. By way of derision or mockery.

Derision <Xpage=395>

De*ri"sion (?) , n. [L. derisio : cf. F. d\'82rision . See Deride .]

1. The act of deriding, or the state of being derided; mockery; scornful or contemptuous treatment which holds one up to ridicule.

He that sitteth in the heavens shall laugh; the Lord shall have them in derision . Ps. ii. 4.

Sa<?/an beheld their plight, And to his mates thus in derision called. Milton.

2. An object of derision or scorn; a laughing-stock.

I was a derision to all my people. Lam. iii. 14.

Syn. -- Scorn; mockery; contempt; insult; ridicule.

Derisive <Xpage=395>

De*ri"sive (?) , a. Expressing, serving for, or characterized by, derision. " Derisive taunts." Pope . -- De*ri"sive*ly , adv. -- De*ri"sive*ness , n.

Derisory <Xpage=395>

De*ri"so*ry (?) , a. [L. derisorius : cf. F. d\'82risoire .] Derisive; mocking.

Shaftesbury.

Derivable <Xpage=395>

De*riv"a*ble (?) , a. [From Derive .] That can be derived; obtainable by transmission; capable of being known by inference, as from premises or data; capable of being traced, as from a radical; as, income is derivable from various sources .

All honor derivable upon me. South.

The exquisite pleasure derivable from the true and beautiful relations of domestic life. H. G. Bell.

The argument derivable from the doxologies. J. H. Newman.

Derivably <Xpage=395>

De*riv"a*bly , adv. By derivation.

Derival <Xpage=395>

De*riv"al (?) , n. Derivation. [R.]

The derival of e from a . Earle.

Derivate <Xpage=395>

Der"i*vate (?) , a. [L. derivatus , p. p. of derivare . See Derive .] Derived; derivative. [R.] H. Taylor . -- n. A thing derived; a derivative. [R.]

Derivate <Xpage=395>

Der"i*vate (?) , v. t. To derive. [Obs.]

Huloet.

Derivation <Xpage=395>

Der`i*va"tion (?) , n. [L. derivatio : cf. F. d\'82rivation . See Derive .]

1. A leading or drawing off of water from a stream or source. [Obs.]

T. Burnet.

2. The act of receiving anything from a source; the act of procuring an effect from a cause, means, or condition, as profits from capital, conclusions or opinions from evidence.

As touching traditional communication, . . . I do not doubt but many of those truths have had the help of that derivation . Sir M. Hale.

3. The act of tracing origin or descent, as in grammar or genealogy; as, the derivation of a word from an Aryan root .

4. The state or method of being derived; the relation of origin when established or asserted.

5. That from which a thing is derived.

6. That which is derived; a derivative; a deduction.

From the Euphrates into an artificial derivation of that river. Gibbon.

7. (Math.) The operation of deducing one function from another according to some fixed law, called the law of derivation , as the of differentiation or of integration.

8. (Med.) A drawing of humors or fluids from one part of the body to another, to relieve or lessen a morbid process.

Derivational <Xpage=395>

Der`i*va"tion*al (?) , a. Relating to derivation.

Earle.

Derivative <Xpage=395>

De*riv"a*tive (?) , a. [L. derivativus : cf. F. d\'82rivatif .] Obtained by derivation; derived; not radical, original, or fundamental; originating, deduced, or formed from something else; secondary; as, a derivative conveyance; a derivative word.

Derivative circulation , a modification of the circulation found in some parts of the body, in which the arteries empty directly into the veins without the interposition of capillaries.

Flint.

-- De*riv"a*tive*ly , adv. -- De*riv"a*tive*ness , n.

Derivative <Xpage=395>

De*riv"a*tive , n.

1. That which is derived; anything obtained or deduced from another.

2. (Gram.) A word formed from another word, by a prefix or suffix, an internal modification, or some other change; a word which takes its origin from a root.

3. (Mus.) A chord, not fundamental, but obtained from another by inversion; or, vice versa , a ground tone or root implied in its harmonics in an actual chord.

4. (Med.) An agent which is adapted to produce a derivation (in the medical sense).

5. (Math.) A derived function; a function obtained from a given function by a certain algebraic process.

&hand; Except in the mode of derivation the derivative is the same as the differential coefficient. See Differential coefficient , under Differential .

6. (Chem.) A substance so related to another substance by modification or partial substitution as to be regarded as derived from it; thus, the amido compounds are derivatives of ammonia, and the hydrocarbons are derivatives of methane, benzene, etc.

Derive <Xpage=395>

De*rive" (?) , v. t. [ imp. & p. p. Derived (?) ; p. pr. & vb. n. Deriving .] [F. d\'82river , L. derivare ; de- + rivus stream, brook. See Rival .]

1. To turn the course of, as water; to divert and distribute into subordinate channels; to diffuse; to communicate; to transmit; -- followed by to , into , on , upon . [Obs.]

For fear it [water] choke up the pits . . . they [the workman] derive it by other drains. Holland.

Her due loves derived to that vile witch's share. Spenser.

Derived to us by tradition from Adam to Noah. Jer. Taylor.

2. To receive, as from a source or origin; to obtain by descent or by transmission; to draw; to deduce; -- followed by from .

<page="396"> Page 396

3. To trace the origin, descent, or derivation of; to recognize transmission of; as, he derives this word from the Anglo-Saxon .

From these two causes . . . an ancient set of physicians derived all diseases. Arbuthnot.

4. (Chem.) To obtain one substance from another by actual or theoretical substitution; as, to derive an organic acid from its corresponding hydrocarbon .

Syn. -- To trace; deduce; infer.

Derive <Xpage=396>

De*rive" (?) , v. i. To flow; to have origin; to descend; to proceed; to be deduced.

Shak.

Power from heaven Derives , and monarchs rule by gods appointed. Prior.

Derivement <Xpage=396>

De*rive"ment (?) , n. That which is derived; deduction; inference. [Obs.]

I offer these derivements from these subjects. W. Montagu.

Deriver <Xpage=396>

De*riv"er (?) , n. One who derives.

Derk <Xpage=396>

Derk (?) , a. Dark. [Obs.]

Chaucer.

-derm <Xpage=396>

-derm (?) . [See Derm , n. ] A suffix or terminal formative, much used in anatomical terms, and signifying skin , integument , covering ; as, blasto derm , ecto derm , etc.

Derm <Xpage=396>

Derm (?) , n. [Gr. <?/, <?/, skin, fr. <?/ to skin, flay: cf. F. derme . See Tear , v. t. ]

1. The integument of animal; the skin.

2. (Anat.) See Dermis .

Derma <Xpage=396>

Der"ma (?) , n. [NL. See Derm .] (Anat.) See Dermis .

Dermal <Xpage=396>

Derm"al (?) , a. [From Derm .]

1. Pertaining to the integument or skin of animals; dermic; as, the dermal secretions .

2. (Anat.) Pertaining to the dermis or true skin.

Dermaptera, Dermapteran <Xpage=396>

Der*map"te*ra (?) , Der*map"ter*an (<?/) , n. (Zo\'94l.) See Dermoptera , Dermopteran .

Dermatic, Dermatine <Xpage=396>

Der*mat"ic (?) , Der"ma*tine (?) , a. [Gr. <?/, <?/, fr. <?/ skin.] Of or pertaining to the skin.

Dermatitis <Xpage=396>

Der`ma*ti"tis (?) , n. [NL., fr. Gr. <?/, <?/, skin + -itis .] (Med.) Inflammation of the skin.

Dermatogen <Xpage=396>

Der*mat"o*gen (?) , n. [Gr. <?/, <?/, skin + -gen .] (Bot.) Nascent epidermis, or external cuticle of plants in a forming condition.

Dermatogen <Xpage=396>

Der*mat"o*gen (?) , n. [Gr. <?/, <?/, skin + -gen .] (Bot.) Nascent epidermis, or external cuticle of plants in a forming condition.

Dermatography <Xpage=396>

Der*ma*tog"ra*phy (?) , n. [Gr. <?/, <?/, skin + -graphy .] An anatomical description of, or treatise on, the skin.

Dermatoid <Xpage=396>

Der"ma*toid (?) , a. [Gr. <?/, <?/, skin + -oid : cf. F. dermato\'8bde . Cf. Dermoid .] Resembling <?/kin; skinlike.

Dermatologist <Xpage=396>

Der`ma*tol"o*gist (?) , n. One who discourses on the skin and its diseases; one versed in dermatology.

Dermatology <Xpage=396>

Der`ma*tol"o*gy (?) , n. [Gr. <?/, <?/, skin + -logy : cf. F. dermatologie .] The science which treats of the skin, its structure, functions, and diseases.

Dermatopathic <Xpage=396>

Der`ma*to*path"ic (?) , a. [Gr. <?/, <?/, skin + <?/ suffering.] (Med.) Of or pertaining to skin diseases, or their cure.

Dermatophyte <Xpage=396>

Der*mat"o*phyte (?) , n. [Gr. <?/, <?/, skin + <?/ plant.] (Med.) A vegetable parasite, infesting the skin.

Dermestes <Xpage=396>

Der*mes"tes (?) , n. [NL., from Gr. <?/; <?/ skin + root of <?/ to eat.] (Zo\'94l.) A genus of coleopterous insects, the larv\'91 of which feed animal substances. They are very destructive to dries meats, skins, woolens, and furs. The most common species is D. lardarius , known as the bacon beetle .

Dermestoid <Xpage=396>

Der*mes"toid (?) , a. [ Dermestes + -oid .] (Zo\'94l.) Pertaining to or resembling the genus Dermestes.

The carpet beetle, called the buffalo moth, is a dermestoid beetle. Pop. Sci. Monthly.

Dermic <Xpage=396>

Der"mic (?) , a.

1. Relating to the derm or skin.

2. (Anat.) Pertaining to the dermis; dermal.

Underneath each nail the deep or dermic layer of the integument is peculiarly modified. Huxley.

Dermic remedies (Med.) , such as act through the skin.

Dermis <Xpage=396>

Der"mis (?) , n. [NL. See Derm .] (Anat.) The deep sensitive layer of the skin beneath the scarfskin or epidermis; -- called also true skin , derm , derma , corium , cutis , and enderon . See Skin , and Illust . in Appendix.

Dermobranchiata <Xpage=396>

Der`mo*bran`chi*a"ta (?) , n. pl. [NL.] (Zo\'94l.) A group of nudibranch mollusks without special gills.

Dermobranchiate <Xpage=396>

Der`mo*bran"chi*ate (?) , a. [ Derm + branchiate .] (Zo\'94l.) Having the skin modified to serve as a gill.

Dermoh\'91mal <Xpage=396>

Der`mo*h\'91"mal (?) , a. (Anat.) Pertaining to, or in relation with, both dermal and h\'91mal structures; as, the dermoh\'91mal spines or ventral fin rays of fishes .

Dermoid <Xpage=396>

Der"moid (?) , a. [ Derm + -oid : cf. F. dermo\'8bde .] Same as Dermatoid .

Dermoid cyst (Med.) , a cyst containing skin, or structures connected with skin, such as hair.

Dermoneural <Xpage=396>

Der`mo*neu"ral (?) , a. (Anat.) Pertaining to, or in relation with, both dermal and neural structures; as, the dermoneural spines or dorsal fin rays of fishes .

Owen.

Dermopathic <Xpage=396>

Der`mo*path"ic (?) , a. (Med.) Dermatopathic.

Dermophyte <Xpage=396>

Der"mo*phyte (?) , n. A dermatophyte.

Dermoptera <Xpage=396>

Der*mop"te*ra (?) , n. pl. [NL., fr. Gr. <?/ skin + <?/ wing.]

1. (Zo\'94l.) The division of insects which includes the earwigs ( Forticulid\'91 ).

2. (Zo\'94l.) A group of lemuroid mammals having a parachutelike web of skin between the fore and hind legs, of which the colugo ( Galeopithecus ) is the type. See Colugo .

3. (Zo\'94l.) An order of Mammalia; the Cheiroptera.

[Written also Dermaptera , and Dermatoptera .]

Dermopteran <Xpage=396>

Der*mop"ter*an (?) , n. (Zo\'94l.) An insect which has the anterior pair of wings coriaceous, and does not use them in flight, as the earwig.

Dermopteri <Xpage=396>

Der*mop"te*ri (?) , n. pl. [NL.] (Zo\'94l.) Same as Dermopterygii .

Dermopterygii <Xpage=396>

Der*mop`te*ryg"i*i (?) , n. pl. [NL., fr. Gr. <?/ skin + <?/ wing, fin, dim. of <?/ wing.] (Zo\'94l.) A group of fishlike animals including the Marsipobranchiata and Leptocardia.

Dermoskeleton <Xpage=396>

Der`mo*skel"e*ton (?) , n. [ Derm + skeleton .] (Anat.) See Exoskeleton .

Dermostosis <Xpage=396>

Der`mos*to"sis (?) , n. [NL., from Gr. <?/ skin + <?/ bone.] (Physiol.) Ossification of the dermis.

Dern <Xpage=396>

Dern (?) , n. [Etymol. uncertain.] A gatepost or doorpost. [Local Eng.]

C. Kingsley.

Dern <Xpage=396>

Dern , a. [See Dearn , a. ]

1. Hidden; concealed; secret. [Obs.] "Ye must be full dern ."

Chaucer.

2. Solitary; sad. [Obs.]

Dr. H. More.

Derne <Xpage=396>

Derne (?) , v. t. & i. [AS. dyrnan to hide. See Dern , a. , Dearn , a. ] To hide; to skulk. [Scot.]

He at length escaped them by derning himself in a foxearth. H. Miller.

Dernful <Xpage=396>

Dern"ful (?) , a. Secret; hence, lonely; sad; mournful. [Obs.] " Dernful noise."

Spenser.

Dernier <Xpage=396>

Der`nier" (?) , a. [F., from OF. darrein , derrain . See Darrein .] Last; final.

Dernier ressort (<?/) [F.] , last resort or expedient.

Dernly <Xpage=396>

Dern"ly (?) , adv. Secretly; grievously; mournfully. [Obs.]

Spenser.

Derogant <Xpage=396>

Der"o*gant (?) , a. [L. derogans , p. pr.] Derogatory. [R.]

T. Adams.

Derogate <Xpage=396>

Der"o*gate (?) , v. t. [ imp. & p. p. Derogated (?) ; p. pr. & vb. n. Derogating (?) .] [L. derogatus , p. p. of derogare to derogate; de- + rogare to ask, to ask the people about a law. See Rogation .]

1. To annul in part; to repeal partly; to restrict; to limit the action of; -- said of a law.

By several contrary customs, . . . many of the civil and canon laws are controlled and derogated . Sir M. Hale.

2. To lessen; to detract from; to disparage; to depreciate; -- said of a person or thing. [R.]

Anything . . . that should derogate , minish, or hurt his glory and his name. Sir T. More.

Derogate <Xpage=396>

Der"o*gate (?) , v. i.

1. To take away; to detract; to withdraw; -- usually with from .

If we did derogate from them whom their industry hath made great. Hooker.

It derogates little from his fortitude, while it adds infinitely to the honor of his humanity. Burke.

2. To act beneath one-s rank, place, birth, or character; to degenerate. [R.]

You are a fool granted; therefore your issues, being foolish, do not derogate . Shak.

Would Charles X. derogate from his ancestors? Would he be the degenerate scion of that royal line? Hazlitt.

Derogate <Xpage=396>

Der"o*gate (?) , n. [L. derogatus , p. p.] Diminished in value; dishonored; degraded. [R.]

Shak.

Derogately <Xpage=396>