zetta-

Coined with Latin septem and Ancient Greek ἑπτά (heptá, “seven”) in mind, for the seventh order of 10³. The consonants pt are reduced to tt as in Italian, by analogy with peta-; the initial z was chosen instead of s to avoid confusion with s for second.^[1]

• IPA^(key): /ˈzɛtə/

zetta-

1. In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10²¹ (a short scale sextillion or long scale trilliard). Symbol: Z

• zepto-

• zebi-

 

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zetta

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zetta-

1. zetta-