Definition of zepto- in English:

zepto-

Syllabification: zepto-

combining form

(Used in units of measurement) denoting a factor of 10−21: zeptosecond

Origin

adapted from septi-, on the pattern of combining forms such as peta- and exa-.

Definition of zepto- in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day dissonant
Pronunciation: ˈdɪs(ə)nənt
adjective
lacking harmony