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单词 letdown
释义

letdown

or let-down

[ let-doun ]
/ ˈlɛtˌdaʊn /
SEE SYNONYMS FOR letdown ON THESAURUS.COM

noun

a decrease in volume, force, energy, etc.: a letdown in sales; a general letdown of social barriers.
disillusionment, discouragement, or disappointment: The job was a letdown.
depression; deflation: He felt a terrible letdown at the end of the play.
the accelerated movement of milk into the mammary glands of lactating mammals upon stimulation, as by massage or suckling.
Aeronautics. the descent of an aircraft from a higher to a lower altitude preparatory to making an approach and landing or to making a target run or the like.

Origin of letdown

First recorded in 1760–70; noun use of verb phrase let down

Words nearby letdown

let be, Let bygones be bygones, letch, Letchworth, let daylight through or into, letdown, let down easy, let down one's hair, let drop, let fly, let go
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for letdown

British Dictionary definitions for letdown

let down

verb (tr, mainly adverb)

noun letdown

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with letdown

let down

1

Cause to descend, lower, as in They let down the sails. [Mid-1100s]

2

Also, let up. Slacken, abate, as in Sales are letting down in this quarter, or They didn't let up in their efforts until the end. The first term dates from the mid-1800s, the variant from the late 1700s.

3

See let someone down. Also see let one's hair down.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

Medical definitions for letdown

let-down
[ lĕtdoun′ ]

n.

A physiologic reflex in lactating females, activated usually in response to sucking or crying by an infant, in which milk previously secreted into the alveoli of the breasts is released into the ducts that lead to the nipple.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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