Morpheme
Atto
Type
bound base
Denotation
eighteen, sixth order of 10-3, 10-18
Etymology
Danish atten on analogy of femto
Evidence
attoampere, attobarn, attocell, attoclock, attogram, attohertz, attojoule, attokatal, attoliter, attometer, attomolar, attomole, attoparsec, attophysics, attopulse, attoreactor, attosecond, attowatt
Notes
International System of Units “Metric Prefix”
