保持の定義と意味 | Dictionary.com

RETENTION Definition & Meaning | Dictionary.com Synonyms retention American [ri- ten -sh uh n] / rɪˈtɛn ʃən / noun the act of retaining . the state of being retained . the power to retain ; capacity for retaining . the act or power of remembering things; memory. retention British / rɪˈtɛnʃən / noun the act of retaining or state of being retained the capacity to hold or retain liquid the capacity to remember pathol the abnormal holding within the body of urine, faeces, etc, that are normally excreted commerce a sum of money owed to a contractor but not paid for an agreed period as a safeguard against any faults found in the work carried out (plural) accounting profits earned by a company but not distributed as dividends; retained earnings "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 Usage What is retention ? Retention is the act of retaining , that is, holding onto or keeping possession of something, as in Kim noted the plant’s successful retention of water. Retention is also used to refer to the state of being retained or having the power to retain something, as in The lawyer was outraged by the police’s continued retention of his client . Retention can also mean that something or someone has the power to retain things, especially a person’s ability to retain information in their memory, as in Weekly testing is done to improve students’ retention of what they have learned . Example: Justine worked hard to improve the retention of skilled employees at her company. Other Word Forms nonretention noun overretention noun Etymology Origin of retention First recorded in 1350–1400; Middle English retencion, from Latin retentiōn-, stem of retentiō “restraint, withholding,” from retent(us) “held back” (past participle of retinēre “to hold back”; see retain ) + -iō -ion Explanation You can use retention to mean the ability to keep or hold. If you have extraordinary powers of retention , you remember everything you hear or learn. Are your ankles ever swollen after a long flight? This comes from the lack of movement which can cause the retention of water. The roots of the word, Latin re- "back" and tenere "to hold," say it all. You often use the word in the military or business contexts to talk about keeping soldiers, or employees, from leaving. If you're lucky, they might offer you a retention bonus to prevent you from quitting. Keep Reading on Vocabulary.com Vocabulary lists containing retention Rap Lyrics Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide! Flowers for Algernon Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use! With the Fire on High Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time! Example Sentences Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com. All of this is compounded by a human-capital crisis in pilot training and aircrew retention. From The Wall Street Journal • May 4, 2026 AI and the cross-selling of products are driving strong customer retention, the firm said, reiterating an Outperform rating and bumping its price target to $200 from $170. From Barron's • May 1, 2026 To slow the rate of departures, Bass negotiated a package of pay increases at the Los Angeles Police Department in 2023 that included higher starting salaries and new retention bonuses. From Los Angeles Times • May 1, 2026 The government admits there are ongoing challenges, including recruitment and retention. From BBC • Apr. 24, 2026 Sheep and alpacas were selected for retention of wool and reduction or loss of hair, while cows have been selected for high milk yields. From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023 Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.