(||Ef*fen"di) n. [Turk. efendi, fr. Modern Gr. fr. Gr. a chief. See Authentic.] Master; sir; a
title of a Turkish state official and man of learning, especially one learned in the law.
(Ef"fe*rent) a. [L. efferens, -entis, p. pr. of effere to bear out; ex out + ferre to bear.] (Physiol.)
(a) Conveying outward, or discharging; applied to certain blood vessels, lymphatics, nerves,
etc. (b) Conveyed outward; as, efferent impulses, i. e., such as are conveyed by the motor or efferent
nerves from the central nervous organ outwards; opposed to afferent.
(Ef"fe*rent) n. An efferent duct or stream.
(Ef"fer*ous) a. [L. efferus savage; ex (intens.) + ferus wild.] Like a wild beast; fierce. [Obs.]
(Ef`fer*vesce") v. i. [imp. & p. p. Effervesced ; p. pr. & vb. n. Effervescing ] [L. effervescere;
ex + fervescere to begin boiling, incho., fr. fervere to boil. See Fervent.]
1. To be in a state of natural ebullition; to bubble and hiss, as fermenting liquors, or any fluid, when some
part escapes in a gaseous form.
2. To exhibit, in lively natural expression, feelings that can not be repressed or concealed; as, to effervesce
with joy or merriment.
(Ef`fer*ves"cence Ef`fer*ves"cen*cy) n. [Cf. F. effervescence.] A kind of natural ebullition; that
commotion of a fluid which takes place when some part of the mass flies off in a gaseous form, producing
innumerable small bubbles; as, the effervescence of a carbonate with citric acid.
(Ef`fer*ves"cent) a. [L. effervescences, p. pr. of effervescere: cf. F. effervescent.] Gently
boiling or bubbling, by means of the disengagement of gas
(Ef`fer*ves"ci*ble) a. Capable of effervescing.
(Ef`fer*ves"cive) a. Tending to produce effervescence. "An effervescive force." Hickok.
(Ef"fet) n. [See Eft, n.] (Zoöl.) The common newt; called also asker, eft, evat, and ewt.
(Ef*fete") a. [L. effetus that has brought forth, exhausted; ex + fetus that has brought forth. See
Fetus.] No longer capable of producing young, as an animal, or fruit, as the earth; hence, worn out with
age; exhausted of energy; incapable of efficient action; no longer productive; barren; sterile.
Effete results from virile efforts.Mrs. Browning
If they find the old governments effete, worn out, . . . they may seek new ones.Burke.
(Ef`fi*ca"cious) a. [L. eficax, -acis, fr. efficere. See Effect, n.] Possessing the quality of
being effective; productive of, or powerful to produce, the effect intended; as, an efficacious law.
Syn. See Effectual.
Ef`fi*ca"cious*ly, adv. Ef`fi*ca"cious*ness, n.
(Ef`fi*cac"i*ty) n. [L. efficacitas: cf. F. efficacité.] Efficacy. [R.] J. Fryth.
(Ef"fi*ca*cy) n. [L. efficacia, fr. efficax. See Efficacious.] Power to produce effects; operation
or energy of an agent or force; production of the effect intended; as, the efficacy of medicine in counteracting
disease; the efficacy of prayer. "Of noxious efficacy." Milton.
Syn. Virtue; force; energy; potency; efficiency.