Pico- Definition
pēkō, pīkō; pēkə, pīkə
prefix
One trillionth (10−12 ).
Picosecond.
American Heritage
Very small.
Picornavirus.
American Heritage
affix
One trillionth part of; the factor 10-12
Picometer.
Webster's New World
pronoun
An island in the Azores.
Wiktionary
Origin of Pico-
Spanish pico beak, small quantity from Latin beccus beak of Celtic origin (influenced by Spanish picar to prick)
From American Heritage Dictionary of the English Language, 5th Edition
prob. < It piccolo, small
From Webster's New World College Dictionary, 5th Edition
Related Articles
Pico- Is Also Mentioned In
Find Similar Words
Find similar words to pico- using the buttons below.