zepto-
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English
Etymology
Greek (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
| z | Previous: | yocto- |
|---|---|---|
| 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
Derived terms
Translations
10−21
Anagrams
Dutch
Etymology
From 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
Audio: (file)
Prefix
zepto-