xenna-
Meanings
prefix
- Synonym of ronna- (used before an official prefix existed). Symbol: X
Pronunciation
Word forms
Etymology
From Ancient Greek ἐννέα (ennéa, “nine”), for the ninth order of 10³, and the letter x, as the third term in a series running backwards through the alphabet (after zetta- and yotta-). The final a conforms to the final vowel of the SI series from mega- upwards.
Synonyms
Antonyms
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