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thermal unit

American  

noun

  1. a unit of heat energy or of the equivalent of heat energy in work.


Etymology

Origin of thermal unit

First recorded in 1875–80

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Rising oil prices could boost the company’s 2026 full-year gas price to $6.00 per metric million British thermal unit from $5.7/mmBtu forecast previously, the analyst says.

From The Wall Street Journal • Apr. 6, 2026

Meanwhile, U.S. futures on the New York Mercantile Exchange fall 7.1% to $3.183 per million British thermal unit.

From The Wall Street Journal • Feb. 9, 2026

Kaeser said the renewable energy division had a “disappointing” performance, with “continued challenges” at the solar thermal unit.

From BusinessWeek • Apr. 5, 2011

Natural-gas futures touched $4.87 per British thermal unit in New York Jan. 24 before falling to a 15-week low of $3.73 per Btu on March 4.

From BusinessWeek • Mar. 9, 2011

Variation of Specific Heat of Water.—The question of the variation of the specific heat of water has a peculiar interest and importance in connexion with the choice of a thermal unit.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" by Various

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