pyr-
1.
variant of
pyro-
, used before
h
or a vowel:
pyran.
British Dictionary definitions for
pyr-
pyr-
combining form
1.
a variant of
pyro-
pyro-
combining form
1.
denoting fire, heat, or high temperature:
pyromania,
pyrometer
2.
caused or obtained by fire or heat:
pyroelectricity
3.
(
chem
)
denoting a new substance obtained by heating another:
pyroboric acid is obtained by heating boric acid
denoting an acid or salt with a water content intermediate between that of the ortho- and meta- compounds:
pyro-phosphoric acid
4.
(
mineralogy
)
having a property that changes upon the application of heat:
pyromorphite
having a flame-coloured appearance:
pyroxylin
Word Origin
from Gk
pur
fire
pyr-
in Medicine
pyr-
pref.
Variant of
pyro-
.