pico-

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pico-

 
word element [It.] designating one trillionth (10−12) part of the unit to which it is joined. Symbol p.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

pico-

1. Combining form meaning small.
2. Prefix used in the SI and the metric system to signify submultiples of one trillionth (10-12). Synonym(s): bicro-
[It. piccolo]
Farlex Partner Medical Dictionary © Farlex 2012

pico-

(p)
1. Prefix meaning small.
2. Prefix used in the SI and the metric system to signify one trillionth (10-12).
Synonym(s): bicro-.
[It. piccolo]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012