zepto-
English
editEtymology
editGreek (h)epta- (seven), for the seventh order of 10−3. The final o conforms to the finals vowel of the SI series from micro- downwards; the letter z was added, as a start in a series of terms running backwards through the alphabet.
Prefix
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Next: | atto- |
zepto-
- In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10−21 (short scale sextillionth or long scale trilliardth). Symbol: z
Antonyms
editDerived terms
editTranslations
edit10−21
Anagrams
editDutch
editEtymology
editFrom Ancient Greek ἑπτά (heptá, “seven”), for the seventh order of 10−3. The final o conforms to the finals vowel of the SI series from micro- downwards; the letter z was added, as a start in a series of terms running backwards through the alphabet.
Pronunciation
editAudio: (file)
Prefix
editzepto-