E"thos (?), n. [L., fr. Gr. &?; character. See Ethic.] 1. The character, sentiment, or disposition of a community or people, considered as a natural endowment; the spirit which actuates manners and customs; also, the characteristic tone or genius of an institution or social organization.
2. (Æsthetics) The traits in a work of art which express the ideal or typic character -- character as influenced by the ethos (sense 1) of a people -- rather than realistic or emotional situations or individual character in a narrow sense; -- opposed to pathos.
Eth"y*late (?), v. t. [imp. & p. p. Ethylated; p. pr. & vb. n. Ethylating.] [From Ethyl.] (Chem.) To treat in such a way as to cause the introduction of one or more ethyl groups, C2H5; as, to ethylate alcohol.
Eu*gen"e*sis (?), n. [Pref. eu- + genesis.] (Biol.) The quality or condition of having strong reproductive powers; generation with full fertility between different species or races, specif. between hybrids of the first generation.
{ Eur*af"ric (?), Eur*af"ri*can (?) }, a. [Europe + Afric, African.] 1. (Geog.) Of, pertaining to, or designating, the continents of Europe and Africa combined.
2. (Zoögeography) Pert. to or designating a region including most of Europe and northern Africa south to the Sahara.