langley

noun
lang·ley | \ˈlaŋ-lē \
plural langleys

Definition of langley 

(Entry 1 of 3)

: a unit of solar radiation equivalent to one gram calorie per square centimeter of irradiated surface

Langley

biographical name
Lang·ley | \ˈlaŋ-lē \

Definition of Langley (Entry 2 of 3)

Samuel Pierpont 1834–1906 American astronomer and airplane pioneer

Langley

geographical name
Lang·ley | \ˈlaŋ-lē \

Definition of Langley (Entry 3 of 3)

municipality east-southeast of Vancouver in British Columbia, Canada population 104,177

Examples of langley in a Sentence

Recent Examples on the Web: Noun

One langley is the amount of energy required over a square centimeter to raise the temperature of one gram of water by one degree Celsius. Tom Skilling, chicagotribune.com, "Ask Tom: How much stronger is sunlight in June?," 27 June 2018 Using 42 degrees N for the latitude of Chicago, about 300 langleys of radiation per day are received on the winter solstice, versus about 950 on the summer solstice. Tom Skilling, chicagotribune.com, "Ask Tom: What causes differences in solar radiation in Chicago during the year?," 4 July 2017 Dear Tom, Several years ago, the Tribune weather page compared the amount of solar radiation, measured in langleys, on the winter and summer solstices. Tom Skilling, chicagotribune.com, "Ask Tom: What causes differences in solar radiation in Chicago during the year?," 4 July 2017 Dear Tom, Several years ago, the Tribune weather page compared the amount of solar radiation, measured in langleys, on the winter and summer solstices. Tom Skilling, chicagotribune.com, "Ask Tom: What causes differences in solar radiation in Chicago during the year?," 4 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'langley.' 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 langley

Noun

1947, in the meaning defined above

History and Etymology for langley

Noun

Samuel P. Langley

Keep scrolling for more

Learn More about langley

Dictionary Entries near langley

Langland

langlauf

lang lay

langley

Langley

Langmuir

Lango

Statistics for langley

Look-up Popularity

Time Traveler for langley

The first known use of langley was in 1947

See more words from the same year

More from Merriam-Webster on langley

Britannica.com: Encyclopedia article about langley

Comments on langley

What made you want to look up langley? 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?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

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!