British thermal unit as a noun: - 1
British thermal unit
noun
1 British thermal unit
A unit of heat equal to the amount of heat required to raise one pound of water one degree Fahrenheit at one atmosphere pressure; equivalent to 251.997 calories.
synonyms: B.Th.U., BTU.
Polish: BTU
Roget 382:
heat,
caloric;
temperature,
warmth,
fervor,
calidity†;
incalescence†,
incandescence;
glow,
flush;
fever,
hectic.
phlogiston;
fire,
spark,
scintillation,
flash,
flame,
blaze;
bonfire;
firework,
pyrotechnics,
pyrotechny†;
wildfire;
sheet of fire,
lambent flame;
devouring element;
adiathermancy†;
recalescence [Phys.].
summer,
dog days;
canicular days†;
baking
etc.
384;
heat,
white heat,
tropical heat,
Afric heat†,
Bengal heat†,
summer heat,
blood heat;
sirocco,
simoom;
broiling sun;
insolation;
warming
etc.
384.
sun
etc.
(luminary)
423.
[Science of heat]
pyrology†;
thermology†,
thermotics†,
thermodynamics;
thermometer
etc.
389.
[thermal units]
calorie,
gram-calorie,
small calorie;
kilocalorie,
kilogram calorie,
large calorie;
British Thermal Unit,
B. T.U.;
therm,
quad.
[units of temperature]
degrees Kelvin,
kelvins,
degrees centigrade,
degrees Celsius;
degrees Fahrenheit.
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