anneal 音标拼音: [ən'il]
n . 退火
退火
anneal v 1 :
bring to a desired consistency ,
texture ,
or hardness by a process of gradually heating and cooling ; "
temper glass "
[
synonym : {
anneal }, {
temper }, {
normalize }]
Anneal \
An *
neal "\,
v .
t . [
imp . &
p .
p . {
Annealed };
p .
pr . &
vb .
n . {
Annealing }.] [
OE .
anelen to heat ,
burn ,
AS .
an ?
lan ;
an on ?
lan to burn ;
also OE .
anelen to enamel ,
prob .
influenced by OF .
neeler ,
nieler ,
to put a black enamel on gold or silver ,
F .
nieller ,
fr .
LL .
nigellare to blacken ,
fr .
L .
nigellus blackish ,
dim .
of niger black .
Cf . {
Niello },
{
Negro }.]
1 .
To subject to great heat ,
and then cool slowly ,
as glass ,
cast iron ,
steel ,
or other metal ,
for the purpose of rendering it less brittle ;
to temper ;
to toughen .
[
1913 Webster ]
2 .
To heat ,
as glass ,
tiles ,
or earthenware ,
in order to fix the colors laid on them .
[
1913 Webster ]
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