British thermal unit


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British thermal unit

n. Abbr. BTU or Btu
1. The quantity of heat required to raise the temperature of one pound of water from 60° to 61°F at a constant pressure of one atmosphere.
2. The quantity of heat equal to 1/180 of the heat required to raise the temperature of one pound of water from 32° to 212°F at a constant pressure of one atmosphere.

British thermal unit

n
(Units) a unit of heat in the fps system equal to the quantity of heat required to raise the temperature of 1 pound of water by 1°F. 1 British thermal unit is equivalent to 1055.06 joules or 251.997 calories. Abbrevs: btu or BThU

Brit′ish ther′mal u′nit


n.
the amount of heat required to raise the temperature of 1 lb. (0.4 kg) of water 1°F. Abbr.: Btu, BTU
[1875–80]

Brit·ish thermal unit

(brĭt′ĭsh)
The amount of heat that is needed to raise the temperature of one pound of water by one degree Fahrenheit. This unit is used mainly to measure heat, but it can be applied to other forms of energy.

British thermal unit

(BTU) The measure of heat needed to raise the temperature of one pound of water by 1° F. Equal to 252 calories.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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 pressureBritish 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
energy unit, heat unit, work unit - a unit of measurement for work
therm - a unit of heat equal to 100,000 British thermal units
References in periodicals archive ?
Sources said the price as per the formula in the current quarter comes to USD 6.775 per million British thermal unit as against the current rate of USD 4.2 per mmBtu.
The Empowered Group of Ministers (EGoM)received a note circular that mentioned that the hike in the rate to USD 14.2-14.51 per mmBtu from the present USD 4.2 per million British thermal unit would enable the company to generate increased revenue of USD 4.1 billion.
Oman had contracted to sell gas to the plant at $0.77 per million British thermal unit for 15 years beginning 2005 but mid-way decided to hike rates to $3 per mmBtu (million British thermal units) from January 1, 2012 citing firming up of prices in global market.
Rising LNG demand in the wake of the March 11 earthquake in Japan had pushed up LNG prices in recent months to more than $16 per million British thermal unit (mmBtu), from $7-8 mmBtu during the pre-quake period.
The report measures all conventional fossil fuel energy used in the production of 1 gallon of corn ethanol and concluded that for every British thermal unit (BTU) unit of energy required to make ethanol, 2.3 BTUs of energy are produced.
QUIZ OF THE DAY: 1 The BTU (British Thermal Unit); 2 Swimming, cycling, running; 3 Ecology; 4 Iceland; 5 Prince Harry; 6 Bourneville; 7 Barbara Good; 8 Timothy Dalton; 9 Arizona; 10 Anastasia.
ANSWERS: 1 The BTU (British Thermal Unit); 2 Swimming, cycling, running; 3 Ecology; 4 Iceland; 5 Prince Harry; 6 Bourneville; 7 Barbara Good; 8 Timothy Dalton; 9 Arizona; 10 Anastasia.
Diesel-water fuel emulsion: Under EPA '05 Section 1343(a) and (c), a special tax rate of 19.7 cents per gallon (down from 24.3 cents) is provided for diesel fuel blended with water into a diesel-water fuel emulsion, to reflect the reduced British thermal unit content per gallon resulting from the water.
While energy can be measured in terms of various units, this article uses the British thermal unit (Btu).
inventories of natural gas, which are used to heat 70% of American homes, were 9.1% lower in November than for the same period in 1999, with gas prices rising to a 10-year record of $6.61 per British thermal unit. Analysts expect the gas deficit to widen throughout 2001, given predicted weather conditions.
Ahmed Hassan Moughal President, Rafat Farid Senior Vice President and Iftikhar Anwar Sethi Vice President, Islamabad Chamber of Commerce and Industry said that OGRA has allowed 47 percent or Rs.237 per unit (million British thermal unit) increase in the prescribed price of Sui Northern Gas Pipelines Limited (SNGPL) taking it from Rs.501 to Rs.738.
According to the notification, there is $0.13 per mmbtu (Million British Thermal Unit) reduction in sale price of imported RLNG on the system of Sui Southern Gas Pipelines Company (SSGC) for the month of May as compared to April 2019.

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