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bromothymol blue |
Noun
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a dye used as an acid-base indicator |
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bile salt |
Noun
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a salt of bile acid and a base |
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bromthymol blue |
Noun
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a dye used as an acid-base indicator |
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bromeosin |
Noun
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a red fluorescent dye resulting from the action of bromine on fluorescein |
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bichromate |
Noun
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a salt of the hypothetical dichromic acid |
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benzoquinone |
Noun
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any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins |
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blacking |
Noun
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a substance used to produce a shiny protective surface on footwear |
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balas |
Noun
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a pale rose-colored variety of the ruby spinel |
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balas ruby |
Noun
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a pale rose-colored variety of the ruby spinel |
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blood platelet |
Noun
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tiny bits of protoplasm found in vertebrate blood |
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bacterial toxin |
Noun
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any endotoxin or exotoxin formed in or elaborated by bacterial cells |
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botulin |
Noun
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potent bacterial toxin produced by the bacterium Clostridium botulinum that causes botulism |
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botulinus toxin |
Noun
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potent bacterial toxin produced by the bacterium Clostridium botulinum that causes botulism |
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botulismotoxin |
Noun
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potent bacterial toxin produced by the bacterium Clostridium botulinum that causes botulism |
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bile acid |
Noun
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any of the steroid acids generated in the liver and stored with bile |
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bilge water |
Noun
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water accumulated in the bilge of a ship |
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boulder clay |
Noun
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unstratified soil deposited by a glacier |
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bathroom tissue |
Noun
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a soft thin absorbent paper for use in toilets |
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beta globulin |
Noun
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a globulin in blood plasma that carries iron |
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beeswax |
Noun
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a yellow to brown wax secreted by honeybees to build honeycombs |
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beeswax |
Verb
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to cover with beeswax |
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biological time |
Noun
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the time of various biological processes |
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biotin |
Noun
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a B vitamin that aids in body growth |
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barm |
Noun
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a commercial leavening agent containing yeast cells |
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bioflavinoid |
Noun
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a vitamin that maintains the resistance of cell and capillary walls to permeation |
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blende |
Noun
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an ore that is the chief source of zinc |
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boyhood |
Noun
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the childhood of a boy |
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biological clock |
Noun
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an innate mechanism in living organisms that controls the periodicity of many physiological functions |
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bissextile day |
Noun
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the name of the day that is added during a leap year |
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bloom of youth |
Noun
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the best time of youth |
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bimillennium |
Noun
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a span of 2000 years |
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bimillennium |
Noun
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the 2000th anniversary (or the celebration of it) |
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bimillenary |
Noun
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a span of 2000 years |
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bimillenary |
Noun
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the 2000th anniversary (or the celebration of it) |
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breakfast time |
Noun
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the customary or habitual hour for eating breakfast |
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bedtime |
Noun
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the time you go to bed |
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break of day |
Noun
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the first light of day |
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break of the day |
Noun
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the first light of day |
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bank holiday |
Noun
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any of several weekdays when banks are closed |
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bissextile year |
Noun
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in the Gregorian calendar: any year divisible by 4 except centenary years divisible by 400 |
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bimester |
Noun
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a period of 2 months |
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blue moon |
Noun
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a long time |
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blink of an eye |
Noun
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a very short time (as the time it takes the eye to blink or the heart to beat) |
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birthday |
Noun
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an anniversary of the day on which a person was born (or the celebration of it) |
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birthday |
Noun
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the date on which a person was born |
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beauty sleep |
Noun
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sleep before midnight |
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by-and-by |
Noun
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an indefinite time in the future |
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baseball season |
Noun
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the season when baseball is played |
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breathing place |
Noun
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a short respite |
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basketball season |
Noun
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the season when basketball is played |