B.T.U.

American  

Or BTU,

abbreviation

Physics.

1. British thermal unit; British thermal units.

---

BTU ¹ British  

abbreviation

1. Board of Trade Unit

---

btu ² British  

abbreviation

1. US abbreviation: BTU.  British thermal unit

---

Btu Scientific  

1. Abbreviation of British thermal unit

---

Example Sentences

The issue is driven by fracking, which has lowered the price of a million B.T.U. of gas to the range of $3.25, down 75 percent from its recent peak.

From New York Times • Jan. 11, 2013

And with a 10,000 B.T.U. side-burner, it’s ready for anything.

From New York Times • Sep. 15, 2012

The amount of steam needed to produce a barrel of oil varies according to the age of the field, but 2 million B.T.U. per barrel is typical.

From New York Times • Feb. 24, 2011

It hasn't generated one calorie, not one B.T.U. of energy.

From Time Magazine Archive

Calorific value of gas, combination water, at 59° F. constant volume reduced to 32° F. and atmospheric pressure 140 B.T.U.

From Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines by Mathot, R. E.