Defn: Tending to produce effervescence. "An effervescive force."
Hickok.
EFFET
Ef"fet, n. Etym: [See Eft, n.] (Zoöl.)
Defn: The common newt; — called also asker, eft, evat, and ewt.
EFFETE Ef*fete", a. Etym: [L. effetus that has brought forth, exhausted; ex + fetus that has brought forth. See Fetus.]
Defn: 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.
EFFICACIOUS Ef`fi*ca"cious, a. Etym: [L. eficax, -acis, fr. efficere. See Effect, n.]
Defn: 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.
EFFICACITY
Ef`fi*cac"i*ty, n. Etym: [L. efficacitas: cf. F. efficacité.]
Defn: Efficacy. [R.] J. Fryth.