zetta- [ZE tuh] +

(Latin: septo-, "seven"; a decimal prefix [10²¹] used in the international metric system for measurements)

This prefix is used in the metric [decimal] system as sextillion [U.S.] or quadrillionfold [U.K.], 10²¹ [1 000 000 000 000 000 000 000]. The metric symbol is Z.

Related "metric" families: yotta; exa; peta; tera; giga; mega; kilo; hecto; deka; deci; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.

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zetta- [ZE tuh] +

(Latin: septo-, "seven"; a decimal prefix [1021] used in the international metric system for measurements)

(Latin: septo-, "seven"; a decimal prefix [10²¹] used in the international metric system for measurements)