Skip to Content
Print Share
Medical Term:

femto-

Pronunciation: fem'to

Definition: Prefix used in SI and metric system to signify a submultiple of one-quadrillionth (10–15).

[Danish and Norwegian femten, fifteen]

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.

Drugs.com Mobile Apps

The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records. Available for Android and iOS devices.

Explore Apps
Hide