KENOGENESIS

cenogenesis, kenogenesis, caenogenesis, cainogenesis, kainogenesis

(noun) introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (such as the addition of the placenta in mammalian evolution)

Source: WordNet® 3.1


Noun

kenogenesis (uncountable)

Alternative form of caenogenesis

Source: Wiktionary


Ken`o*gen"e*sis, n. Etym: [Gr. genesis.] (Biol.)

Definition: Modified evolution, in which nonprimitive characters make their appearance in consequence of a secondary adaptation of the embryo to the peculiar conditions of its environment; -- distinguished from palingenesis. [Written also cænogenesis.]

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

2 July 2025

RESTITUTION

(noun) getting something back again; “upon the restitution of the book to its rightful owner the child was given a tongue lashing”


coffee icon

Coffee Trivia

According to Guinness World Records, the largest collection of coffee pots belongs to Robert Dahl (Germany) and consists of 27,390 coffee pots as of 2 November 2012, in Rövershagen, Germany.

coffee icon