therm

noun
\ˈthərm \

Definition of therm 

(Entry 1 of 3)

: a unit for quantity of heat that equals 100,000 British thermal units

variants: or thermo-

Definition of therm- (Entry 2 of 3)

1 : heat thermostat

2 : thermoelectric thermopile

Definition of -therm (Entry 3 of 3)

: animal having a (specified) body temperature ectotherm

Examples of therm in a Sentence

Recent Examples on the Web: Noun

SUBSCRIBE TODAY Typical residential costumers are expected to see $7.04 decrease in their monthly power bills and a $0.015 drop per therm in their gas bills, the PUC said. Michael Katz, idahostatesman, "Good news, Treasure Valley utility customers: Your bills will go down. Here's why.," 15 June 2018 The commission also expects that by the first year of implementation, statewide annual electricity consumption will be cut by about 653 gigawatt-hours and natural gas consumption reduced by 9.8 million therms. Rob Nikolewski, sandiegouniontribune.com, "California becomes first state requiring all new homes be built with solar," 9 May 2018 Aliyev won his fourth therm in an election boycotted by major opposition parties, who accused him of authoritarianism and suppressing political dissent. Collin Eaton, Houston Chronicle, "Oil and gas cybersecurity projects went "to the bottom of the pile" in energy slump," 12 Apr. 2018 Gas Inflation Gas for same-day delivery in the U.K. more than doubled to as high as 190 pence a therm ($26.20 a million British thermal units), broker data compiled by Bloomberg show. Anna Shiryaevskaya, Bloomberg.com, "London Covered in Snow as Cold Snap Makes Energy Markets Shiver," 28 Feb. 2018 The energy-saving steps taken by GKN have saved the equivalent of more than 1.5 million kilowatt hours of electricity and more than 30 thousand therms of natural gas, the release said. Tyler Langan, Milwaukee Journal Sentinel, "GKN Sinter Metals in Germantown gets $145,000 for taking energy-efficiency measures," 14 Feb. 2018 The utility estimates a typical residential customer using 500 kilowatt-hours of electricity each month would see an increase of $6.13 and a typical customer using 25 therms of natural gas would spend $7.57 more on a monthly bill. Rob Nikolewski, sandiegouniontribune.com, "SDG&E wants to raise rates 11%, starting in two years," 6 Oct. 2017 In total, the university said the construction project saved 954,533 kilowatt hours and 80,861 therm. Amy Lavalley, Post-Tribune, "New science building comes with $150K energy savings," 9 Aug. 2017 Residential gas, which used to cost $1 per therm in 2008, is running closer to 75 cents. Aldo Svaldi, The Denver Post, "Xcel Energy will ask for $139 million more to improve gas grid in Colorado," 2 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'therm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of therm

Noun

1888, in the meaning defined above

History and Etymology for therm

Noun

Greek thermē heat, from thermos hot; akin to Latin formus warm, Sanskrit gharma heat

Combining form

Greek, from thermē

Noun combining form

Greek thermē heat

Keep scrolling for more

Learn More about therm

Statistics for therm

Look-up Popularity

Time Traveler for therm

The first known use of therm was in 1888

See more words from the same year

Keep scrolling for more

More Definitions for therm

therm

noun
\ˈthərm \

Medical Definition of therm 

: any of several units of quantity of heat: as

a : 1000 kilogram calories

b : 100,000 British thermal units

More from Merriam-Webster on therm

See words that rhyme with therm

Britannica.com: Encyclopedia article about therm

Comments on therm

What made you want to look up therm? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to reject or criticize sharply

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!