browse words by letter
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
picometer |
1 definition found From WordNet r 1.6 [wn]: picometer n : a metric unit of length equal to one trillionth of a meter [syn: {picometre}, {micromicron}]
more about picometer