barm
pronunciation
How to pronounce barm in British English:
UK ['bɑ:m]
How to pronounce barm in American English:
US ['bɑm]
-
- Noun:
- a commercial leavening agent containing yeast cells; used to raise the dough in making bread and for fermenting beer or whiskey
Word Origin
- barm (n.)
- Old English beorma "yeast, leaven," also "head of a beer," from Proto-Germanic *bermon- (cognates: Dutch berm, Middle Low German barm), from PIE root *bher- (4) "to cook, bake" (cognates: Latin fermentum "substance causing fermentation," Sanskrit bhurati "moves convulsively, quivers," Middle Irish berbaim "I boil, seethe;" see brew (v.)).
Example
- 1. The contaminant microorganism in beer brewing included mainly four categories as wild barm , bacteria , actinomyces and mold .
- 2. To ferment brown rice with honey , malt , salt and barm into the brown-rice leaven , study its quality .
- 3. Accordingly , adequate methods should be adopted for the examination of wild barm to achieve thorough understanding of contamination source and contamination degree .
- 4. In this paper , the application of genetic engineering in the improvement of beer barm was introduced and its application foreground was described .
- 5. The extracted RNA from cast off barm of beer was analyzed by catalytic spectrophotometry with CuO as catalyst , which reduces inference of DNA .