having little or no yolk in the cytoplasm of the egg or ovum
Also: alecithic (ˌeiləˈsɪθɪk)
Word origin
[1875–80; a-6 + Gk lékith(os) yolk + -al1]This word is first recorded in the period 1875–80. Other words that entered Englishat around the same time include: Diaspora, cross-fertilization, neoclassic, pressure point, weekend