transcription, транскрипция: [ ek-ˈstrā-nē-əs ]
adjective
Etymology: Latin extraneus — more at strange
Date: 1638
1. : existing on or coming from the outside
extraneous light
2.
a. : not forming an essential or vital part
extraneous ornamentation
b. : having no relevance
an extraneous digression
3. : being a number obtained in solving an equation that is not a solution of the equation
extraneous roots
Synonyms: see extrinsic
• ex·tra·ne·ous·ly adverb
• ex·tra·ne·ous·ness noun