劣化の定義と意味 | Dictionary.com

DEGRADATION Definition & Meaning | Dictionary.com Synonyms degradation American [deg-r uh - dey -sh uh n] / ˌdɛg rəˈdeɪ ʃən / noun the act of degrading . the state of being degraded . Synonyms: debasement , dishonor , disgrace , humiliation Physical Geography. the wearing down of the land by the erosive action of water, wind, or ice. Chemistry. the breakdown of an organic compound. degradation British / ˌdɛɡrəˈdeɪʃən / noun the act of degrading or the state of being degraded a state of degeneration, squalor, or poverty some act, constraint, etc, that is degrading the wearing down of the surface of rocks, cliffs, etc, by erosion, weathering, or some other process chem a breakdown of a molecule into atoms or smaller molecules physics an irreversible process in which the energy available to do work is decreased RC Church the permanent unfrocking of a priest "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 Other Word Forms antidegradation adjective degradational adjective degradative adjective nondegradation noun self-degradation noun Etymology Origin of degradation First recorded in 1525–35; from Late Latin dēgradātiōn-, stem of dēgradātiō, from dēgradāt(us) “degraded” (past participle of dēgradāre; see degrade ) + -iō -ion Explanation Degradation is the act of lowering something or someone to a less respected state. A president resigning from office is a degradation . It’s also a downcast state. Once the president has resigned, he might feel degradation . The noun degradation is related to the verb degrade , which comes from the Latin degradare . Degradare comes from de- , meaning “down,” and gradus , meaning "step." You can think of a degradation as a step down, or feeling as though you’re a step below. Keep Reading on Vocabulary.com Vocabulary lists containing degradation "Marigolds," Vocabulary from the short story 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! By the Roots: Grad-, Gress-: to step 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! "Mammoth Shakes and Monster Waves" Vocabulary from the informational text 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. “The prospect of regime collapse or fragmentation or degradation even in Tehran, especially for these resistance groups, is existential, because this is their main source of power,” Mansour said. From The Wall Street Journal • Apr. 21, 2026 The top four qualifiers started on softer, high-grip “alternate” tires to establish position while the rest of the grid started on harder, more durable “primaries” to manage degradation on the 110-degree track surface. From Los Angeles Times • Apr. 19, 2026 But after "25 years of degradation of the country's institutional, productive, and social fabric", he says, the conditions for that are now far less favourable. From BBC • Mar. 26, 2026 When dams, altered water flows, or habitat degradation disrupt these connections, populations can drop quickly. From Science Daily • Mar. 26, 2026 He did not understand our civilization, and knew no better than to try to be too decent for the degradation of jealousy. From "The Once and Future King" by T. H. White Related Words degeneration deterioration 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.