Definition of Atto-

1. Prefix. In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10?18. Symbol: a ¹

¹ Source: wiktionary.com

Medical Definition of Atto-

1. Prefix used in the SI and metric systems to signify one quintillionth (10-18). Origin: Danish atten, eighteen (05 Mar 2000)

Lexicographical Neighbors of Atto-

attitudinarians
attituding
attitudinise
attitudinised
attitudinises
attitudinising
attitudinize
attitudinized
attitudinizer
attitudinizers
attitudinizes
attitudinizing
attitudinous
attle
attn
atto- (current term)
attoampere
attoamperes
attogram
attogramme
attogrammes
attograms
attohertz
attojoule
attokatal
attokatals
attoliter
attoliters
attolitre
attolitres

Other Resources:

Search for Atto- on Dictionary.com!Search for Atto- on Thesaurus.com!Search for Atto- on Google!Search for Atto- on Wikipedia!

Search