a cardboard used by bookbinders to make covers for books
bitter principle
Noun
any one of several hundred compounds having a bitter taste
black opal
Noun
a dark colored opal with internal reflections of green or red
butene
Noun
any of three isomeric hydrocarbons C4H8
black lead
Noun
used as a lubricant and as a moderator in nuclear reactors
butterfat
Noun
the fatty substance of milk from which butter is made
butanone
Noun
colorless soluble flammable liquid ketone used as a solvent for resins and as a paint remover and in lacquers and cements and adhesives and cleaning fluids and celluloid
blackdamp
Noun
the atmosphere in a mine following an explosion
butyl alcohol
Noun
a flammable alcohol derived from butanes and used for solvents
beta endorphin
Noun
an endorphin produced by the pituitary gland that suppresses pain
butanol
Noun
a flammable alcohol derived from butanes and used for solvents
butyric acid
Noun
an unpleasant smelling fatty acid found especially in butter
butanoic acid
Noun
an unpleasant smelling fatty acid found especially in butter
butyrin
Noun
any of three glycerides of butyric acid
bacteriostat
Noun
a chemical or biological material that inhibits bacterial growth
bleaching agent
Noun
an agent that makes things white or colorless
blanching agent
Noun
an agent that makes things white or colorless
bleaching clay
Noun
an adsorbent clay that will remove coloring from oils
bleaching earth
Noun
an adsorbent clay that will remove coloring from oils
burnt lime
Noun
a white crystalline oxide used in the production of calcium hydroxide
bleaching powder
Noun
a white powder comprised of calcium hydroxide and chloride and hypochlorite and used to bleach and/or disinfect
bleach liquor
Noun
a solution containing bleaching agents that is used to bleach textiles or paper pulp
bentonite
Noun
an absorbent aluminum silicate clay formed from volcanic ash
blister copper
Noun
an impure form of copper having a black blistered surface
bloodstone
Noun
green chalcedony with red spots that resemble blood
blotting paper
Noun
absorbent paper used to dry ink
blow gas
Noun
the gas leaving a generator during a blow period
blowing gas
Noun
the gas leaving a generator during a blow period
blueprint paper
Noun
sensitized paper used to make blueprints
blue vitriol
Noun
hydrated blue crystalline form of copper sulfate
blue copperas
Noun
hydrated blue crystalline form of copper sulfate
blue stone
Noun
hydrated blue crystalline form of copper sulfate
bituminous coal
Noun
rich in tarry hydrocarbons
bog soil
Noun
poorly drained soils on top of peat and under marsh or swamp vegetation
bond paper
Noun
a superior quality of strong durable white writing paper
bone ash
Noun
ash left when bones burn
black diamond
Noun
an inferior dark diamond used in industry for drilling and polishing
bonemeal
Noun
fertilizer made of ground bones
bone fat
Noun
fatty matter in bones extracted with solvents or by boiling or steaming
bone oil
Noun
dark-colored ill-smelling oil obtained by carbonizing bone
bone oil
Noun
the liquid portion of bone fat
borate
Noun
a salt or ester of boric acid
boric acid
Noun
any of various acids containing boron and oxygen
boric acid
Noun
a white or colorless slightly acid solid that is soluble in water and ethanol
boracic acid
Noun
any of various acids containing boron and oxygen
boron trifluoride
Noun
a pungent colorless gas
borosilicate
Noun
a salt of boric and silicic acids
bouncing putty
Noun
a soft elastic silicone polymer that increases in elasticity with the application of force
box calf
Noun
black calfskin leather tanned with chromium salts
bottom fermenting yeast
Noun
brewer's yeast used in bottom fermentation of lager