Part 192

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.

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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.

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.

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

I offer these derivements from these subjects.

W. Montagu.

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

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

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

Derm (?), n. [Gr. de`rma, -atos, skin, fr. &?; to skin, flay: cf. F. derme. See Tear, v. t.] 1. The integument of animal; the skin.

2. (Anat.) See Dermis.

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

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.

||Der*map"te*ra (?), Der*map"ter*an (&?;), n. (Zoöl.) See Dermoptera, Dermopteran.