lapse rate

noun

Definition of lapse rate

: the adiabatic rate of decrease of atmospheric temperature with increasing altitude

Examples of lapse rate in a Sentence

Recent Examples on the Web That created a very intense lapse rate in the atmosphere, where air temperature decreased very rapidly with altitude. Robin George Andrews, National Geographic, "Lightning struck near the North Pole 48 times. It's not normal.," 13 Aug. 2019 At Genworth, McInerney says, the lapse rate is only 0.7%, which seems to be close to the industry average. Los Angeles Times, "Column: Insurance firms’ blunders on long-term care insurance create disaster for millions," 25 July 2019 Insurers didn’t wake up to the triple whammy of low investment returns, underestimated lapse rates and unexpectedly long-lived claims for decades, when customers reached their 70s and 80s and began filing claims. Los Angeles Times, "Column: Insurance firms’ blunders on long-term care insurance create disaster for millions," 25 July 2019

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

1918, in the meaning defined above

Keep scrolling for more

Learn More about lapse rate

Time Traveler for lapse rate

Time Traveler

The first known use of lapse rate was in 1918

See more words from the same year

Statistics for lapse rate

Cite this Entry

“Lapse rate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lapse%20rate. Accessed 22 Sep. 2020.

More from Merriam-Webster on lapse rate

Britannica English: Translation of lapse rate for Arabic Speakers

Britannica.com: Encyclopedia article about lapse rate

Comments on lapse rate

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

WORD OF THE DAY

Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

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!