ZEPTO


Meaning of ZEPTO in English

Function: combining form

Etymology: International Scientific Vocabulary, probably alteration of hepta-; from the fact that 10 21 is the seventh power of 10 3

: one sextillionth (10 -21 ) part of < zepto second>

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.