English Explanatory Dictionary

xenno-

English dictionary entry

Meanings

prefix
  1. Synonym of ronto- (used before an official prefix existed). Symbol: x

Word forms

xenno-

Etymology

From Ancient Greek ἐννέα (ennéa, “nine”), for the ninth order of 10³; with the letter x added for the third term in a series running backwards through the alphabet (after zepto- and yocto-). The final o conforms to the final vowels of the SI series from micro- downwards.

Synonyms

ronto-

Antonyms

xenna-
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