pico-
a combining form meaning “one trillionth” (10−12): picogram.
Origin of pico-
< Spanish
pico peak, beak, bit. See
pic2
Words nearby pico-
British Dictionary definitions for pico-
pico-
prefix
denoting 10 –12
picofarad Symbol: p
Word Origin for pico-
from Spanish
pico small quantity, odd number, peak
Medical definitions for pico-
pico-
pref.
One-trillionth (10-12):picogram.
Very small:picornavirus.