heterology

Plural: heterologies

Noun

• (biology) the lack of correspondence of apparently similar body parts
• A lack of correspondence between biomolecules or body parts (e.g., proteins, tissues, bones, limbs) that reflects a difference in origin.
• The property of a word or phrase that does not describe itself.

Examples

• "The words ultrashort and onomatopoeia display heterology: ultrashort might be called short but is not an ultrashort word, and onomatopoeia is not an onomatopoeic word."

Antonyms

autology, homology