3. The act of lengthening out or prolonging.

Syn. -- Product; produce; fruit; work; performance; composition.

Pro*duc"tive (?), a. [F. productif, L. productivus fit for

prolongation.]

1. Having the quality or power of producing; yielding or furnishing

results; as, productive soil; productive enterprises; productive labor,

that which increases the number or amount of products.

2. Bringing into being; causing to exist; producing; originative; as,

an age productive of great men; a spirit productive of heroic

achievements.

And kindle with thy own productive fire.

Dryden.

This is turning nobility into a principle of virtue, and making it

productive of merit.

Spectator.

3. Producing, or able to produce, in large measure; fertile;

profitable.

-- Pro*duc"tive*ly, adv. -- Pro*duc"tive*ness, n.

Pro`duc*tiv"i*ty (?), n. The quality or state of being productive;

productiveness. Emerson.

Not indeed as the product, but as the producing power, the

productivity.

Coleridge.

Pro*duc"tress (?), n. A female producer.

||Pro*duc"tus (?), n. [NL. See Product.] (Paleon.) An extinct genus of

||brachiopods, very characteristic of the Carboniferous rocks.

Pro`e*gu"mi*nal (?), a. [Gr. &?;, p. pr. of &?; to lead the way: cf. F.

proÈgumËne.] (Med.) Serving to predispose; predisposing; as, a

proeguminal cause of disease.

Pro"em (?), n. [L. prooemium, Gr. &?;; &?; before + &?; way, course or

strain of a song: cf. F. proËme.] Preface; introduction; preliminary

observations; prelude.

Thus much may serve by way of proem.

Swift.

Pro"em, v. t. To preface. [Obs.] South.

Pro*em"bry*o (?), n. [Pref. pro- + embryo. ] (Bot.) (a) The series of

cells formed in the ovule of a flowering plant after fertilization, but

before the formation of the embryo. (b) The primary growth from the

spore in certain cryptogamous plants; as, the proembryo, or protonema,

of mosses.

Pro*e"mi*al (?), a. Introductory; prefatory; preliminary. [R.] Hammond.

Pro`emp*to"sis (?), n. [NL., from Gr. &?; to fall in before; &?; before

+ &?; in + &?; to fall.] (Chron.) The addition of a day to the lunar

calendar. [R.] See Metemptosis.

Pro"face (?), interj. [OF. prou face, prou fasse; prou profit + faire

to make, do.] Much good may it do you! -- a familiar salutation or

welcome. [Obs.]

Master page, good master page, sit. Proface!

Shak.

The Gutenberg Webster's Unabridged Dictionary: Section P and Q · 第 1588 / 2103 题