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
methylene |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Methylene \Meth"yl*ene\, n. [F. m['e]thyl[`e]ne, from Gr ? wine + ? wood; -- a word coined to correspond to the name wood spirit.] (Chem.) A hydrocarbon radical, {CH2}, not known in the free state, but regarded as an essential residue and component of certain derivatives of methane; as methylene bromide, {CH2Br2}; -- formerly called also {methene}. {Methylene blue} (Chem.), an artificial dyestuff consisting of a complex sulphur derivative of diphenyl amine; -- called also {pure blue}.
more about methylene
This work is licensed under a
