Share this entry

Share this page

atto-

Syllabification: atto-

Definition of atto- in English:

combiningForm

Mathematics
(Used in units of measurement) denoting a factor of 10-18: attowatt

Origin

from Danish or Norwegian atten 'eighteen'.

Definition of atto- in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day reciprocity
Pronunciation: ˌrɛsɪˈprɒsɪti
noun
exchanging things with others for mutual benefit…