HETEROLOGY

heterology

(noun) (biology) the lack of correspondence of apparently similar body parts

Source: WordNet® 3.1

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Etymology

Noun

heterology (countable and uncountable, plural heterologies)

A lack of correspondence between parts that reflects a difference in origin

Antonyms

• homology

Anagrams

• thereology

Source: Wiktionary

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Het`er*ol"o*gy, n. Etym: [Hetero- + -logy.]

1. (Biol.)

Definition: The absence of correspondence, or relation, in type of structure; lack of analogy between parts, owing to their being composed of different elements, or of like elements in different proportions; variation in structure from the normal form; -- opposed to homology.

2. (Chem.)

Definition: The connection or relation of bodies which have partial identity of composition, but different characteristics and properties; the relation existing between derivatives of the same substance, or of the analogous members of different series; as, ethane, ethyl alcohol, acetic aldehyde, and acetic acid are in heterology with each other, though each in at the same time a member of a distinct homologous series. Cf. Homology.

Source: Webster’s Unabridged Dictionary 1913 Edition

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