Find the word to describe the idea you have in mind

Reverse Search

Search results for text string "british thermal unit" in Definitions (Advanced Dictionary) [Change Search Options] [Hide Search Options]

Reverse Search allows you to search within the full text of dictionary entries for words, word parts, and phrases.

Search for entries that contain:

Word(s)	Exact matches of any of the individual words entered in the search box. Example: Searching for "apple orange" identifies all entries that contain the word "apple" or the word "orange."
Word(s) + Forms	Any form of any of the individual words entered in the search box. Example: Searching for "apple orange" identifies all entries that contain the word "apple" or "apples" or "orange" or "oranges."
All Word(s)	Exact matches of all of the individual words entered in the search box. Example: Searching for "apple orange" identifies all entries that contain the word "apple" and the word "orange."
Text String	The exact sequence of words and/or characters entered in the search box (for example, a fragment of a word, a single word, multiple words, or even a phrase containing punctuation) Example: Searching for "a variety of apple" identifies all entries that contain that phrase. Searching for "app" identifies all entries that contain the letters "app," such as occurrences of "apple," "application," and "apply."

Search at these levels:

Advanced

Intermediate

Beginner's

Btu	abbreviation of "British thermal unit" or "British thermal units," a unit of heat equal to the amount needed to raise the temperature of one pound of water one degree Fahrenheit, or equal to about 252 calories.
quad⁵	a unit of energy equal to one quadrillion British thermal units.

reverse search