yeast 音标拼音: [j'ist]
n . 酵母,发酵粉
酵母,发酵粉
yeast n 1 :
a commercial leavening agent containing yeast cells ;
used to raise the dough in making bread and for fermenting beer or whiskey [
synonym : {
yeast }, {
barm }]
2 :
any of various single -
celled fungi that reproduce asexually by budding or division Yeast \
Yeast \,
n . [
OE . [
yogh ]
eest , [
yogh ]
est ,
AS .
gist ;
akin to D .
gest ,
gist ,
G .
gischt ,
g [
aum ]
scht ,
OHG .
jesan ,
jerian ,
to ferment ,
G .
gischen ,
g [
aum ]
schen ,
g [
aum ]
hren ,
Gr . ?
boiled ,
zei ^
n to boil ,
Skr .
yas . [
root ]
111 .]
[
1913 Webster ]
1 .
The foam ,
or troth (
top yeast ),
or the sediment (
bottom yeast ),
of beer or other in fermentation ,
which contains the yeast plant or its spores ,
and under certain conditions produces fermentation in saccharine or farinaceous substances ;
a preparation used for raising dough for bread or cakes ,
and making it light and puffy ;
barm ;
ferment .
[
1913 Webster ]
2 .
Spume ,
or foam ,
of water .
[
1913 Webster ]
They melt thy yeast of waves ,
which mar Alike the Armada '
s pride ,
or spoils of Trafalgar .
--
Byron .
[
1913 Webster ]
[
1913 Webster ]
{
Yeast cake },
a mealy cake impregnated with the live germs of the yeast plant ,
and used as a conveniently transportable substitute for yeast .
{
Yeast plant } (
Bot .),
the vegetable organism ,
or fungus ,
of which beer yeast consists .
The yeast plant is composed of simple cells ,
or granules ,
about one three -
thousandth of an inch in diameter ,
often united into filaments which reproduce by budding ,
and under certain circumstances by the formation of spores .
The name is extended to other ferments of the same genus .
See {
Saccharomyces }.
{
Yeast powder },
a baling powder , --
used instead of yeast in leavening bread .
[
1913 Webster ]
21 Moby Thesaurus words for "
yeast ":
agent ,
alterant ,
alterative ,
alterer ,
catalyst ,
catalytic agent ,
ferment ,
foam ,
froth ,
innovationist ,
innovator ,
introducer ,
lather ,
leaven ,
modificator ,
modifier ,
precursor ,
spume ,
suds ,
transformer ,
transmogrifier
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