Dictionary » B » Butter



1. An oily, unctuous substance obtained from cream or milk by churning.

2. Any substance resembling butter in degree of consistence, or other qualities, especially, in old chemistry, the chloridess, as butter of antimony, sesquichloride of antimony; also, certain concrete fat oils remaining nearly solid at ordinary temperatures, as butter of cacao, vegetable butter, shea butter.

(Science: botany) butter and eggs, a tree of the genus Bassia, the seeds of which yield a substance closely resembling butter. The butter tree of india is the B. Butyracea; that of Africa is the shea tree (B. Parkii). See shea tree. Butter trier, a tool used in sampling butter. Butter wife, a woman who makes or sells butter.

Synonym: butter woman.

Origin: oe. Botere, butter, as. Butere, fr. L. Butyrum, gr.; either fr. Ox, cow _ cheese; or, perhaps, of scythian origin. Cf. Cow.

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Coral mushroom

... 10% solution of ferrous sulfate tinted the mushroom's tissue greenish at the tips, confirming the genus Ramaria. So far I've tried it sauteed with butter and garlic and also stir-fried with bitter melon. Both preparations were delicious.

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by jonmoulton
Fri Nov 22, 2013 4:53 pm
Forum: Microbiology
Topic: Coral mushroom
Replies: 1
Views: 415

How to maintain sterility while preparing petri dishes

... in our labs and we see airborne contaminants very, very rarely - the contamination is almost always from poorly sterilized loops or from their own butter-fingers!). That being said, the lids are best kept open as little as possible still - after all there is always a chance that something drops ...

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by biohazard
Mon Jun 24, 2013 8:56 am
Forum: Microbiology
Topic: How to maintain sterility while preparing petri dishes
Replies: 8
Views: 2260

Mastermix in PCR

... including sdWater, different fwd primer and rev primer, DNA template, and mastermix in total volume of 50 microliter. My mastermix includes 10x butter, dNTPs, MgCl2, and Taq Polymerase, and each of the tube needed to have 13.25 microliter of mastermix solution. But I think I put around 14.5 ...

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by klee5533
Tue Oct 02, 2012 1:52 am
Forum: Bioinformatics
Topic: Mastermix in PCR
Replies: 4
Views: 2613

Limit of e.coli on dried leaves

... and motility has nothing to do with their survival in this context. You need merely look at relevant FDA recalls - potato chips, peanut butter, black pepper, nuts, dried noodles, dried milk, dried eggs, dry dog food, etc. As jackbean asked, what is the application? E. coli per se is ...

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by JorgeLobo
Mon Nov 07, 2011 8:38 pm
Forum: Microbiology
Topic: Limit of e.coli on dried leaves
Replies: 4
Views: 2630

cell membrane

It is all about the fluidity of the membrane. Think of butter: if it is at 20ºC or at 30ºC what are the immediately noticeable differences? Considering that the bacteria would like to have a consistency (level of fluidity) that would be maintained constant ...

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by canalon
Sat Jun 18, 2011 8:30 pm
Forum: Molecular Biology
Topic: cell membrane
Replies: 2
Views: 1731
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