削減の意味、語源など | オックスフォード英語辞典

reduction, n. meanings, etymology and more | Oxford English Dictionary Skip to main content Factsheet Etymology Meaning & use Pronunciation Forms Frequency Compounds & derived words Dictionary Historical Thesaurus Factsheet Quotations Hide all quotations Factsheet What does the noun reduction mean? There are 35 meanings listed in OED's entry for the noun reduction , three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence. reduction has developed meanings and uses in subjects including surgery (Middle English) Scottish law (Middle English) mathematics (mid 1500s) logic (mid 1500s) chemistry (late 1500s) coins and banknotes (late 1500s) law (mid 1600s) metal industry (mid 1600s) metals (mid 1600s) astronomy (late 1600s) Christianity (early 1700s) military (1800s) geometry (1800s) food and cooking (1810s) economics and commerce (1820s) See meaning & use How common is the noun reduction ? About 60 occurrences per million words in modern written English 1750 12 1760 22 1770 18 1780 18 1790 16 1800 16 1810 18 1820 17 1830 18 1840 17 1850 18 1860 18 1870 18 1880 22 1890 23 1900 26 1910 32 1920 37 1930 45 1940 50 1950 53 1960 54 1970 59 1980 66 1990 61 2000 54 2010 54 See frequency What is the etymology of the noun reduction ? reduction is of multiple origins. Partly a borrowing from French . Partly a borrowing from Latin . Etymons: French reduction ; Latin reductiōn- , reductiō . See etymology What is the earliest known use of the noun reduction ? Earliest known use Middle English The earliest known use of the noun reduction is in the Middle English period (1150—1500). OED's earliest evidence for reduction is from before 1425, in Guy de Chauliac's Grande Chirurgie . See meaning & use How is the noun reduction pronounced? British English /rᵻˈdʌkʃn/ ruh-DUCK-shuhn U.S. English /rəˈdəkʃən/ ruh-DUCK-shuhn /riˈdəkʃən/ ree-DUCK-shuhn See pronunciation Nearby entries reduct, n. 1579– reduct, adj. a1398–1749 reduct, v. 1548– reductant, n. 1924– reductase, n. 1902– reductase test, n. 1910– reductibility, n. 1804– reductio ad absurdissimum, n. 1865– reductio ad absurdum, n. 1730– reductio ad impossibile, n. 1552– reduction, n. ?a1425– reductional, adj. a1690– reductionally, adv. 1905– reduction compass, n. 1853– reduction division, n. 1891– reduction gear, n. 1883– reduction gearing, n. 1891– reduction-improbation, n. 1754–1868 reductionism, n. 1925– reductionist, n. & adj. 1826– reductionistic, adj. 1941– Browse more nearby entries Etymology Thank you for visiting Oxford English Dictionary To continue reading, please sign in below or purchase a subscription. After purchasing, please sign in below to access the content. 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View our subscription options Personal account Access or purchase personal subscriptions Get our newsletter Save searches Set display preferences Sign in Register Institutional access Sign in through your institution Sign in with library card Sign in with username / password Recommend to your librarian Institutional account management Sign in as administrator on Oxford Academic Entry history for reduction, n. reduction, n. was revised in September 2009. reduction, n. was last modified in March 2026. Revision of the OED is a long-term project, and oed.com is a living text, updated every three months. Modifications may include: corrections and revisions to definitions, especially to improve clarity, accuracy, or intelligibility; new or updated quotation evidence, and reverified or redated bibliographical information; new or updated pronunciations (transcriptions and audio files); new or revised etymological information and improved coverage of variant spellings; new senses or phrases added in print and online updates since OED2 (1989). Revisions and additions of this kind were last incorporated into reduction, n. in March 2026. Earlier versions of this entry were published in: OED First Edition (1904) Find out more OED Second Edition (1989) Find out more View reduction in OED Second Edition Cite Permanent link: Chicago 18 Oxford English Dictionary , “ ,” , . Copy to clipboard Copied to clipboard MLA 9 “ ” Oxford English Dictionary , Oxford UP, , . Copy to clipboard Copied to clipboard APA 7 Oxford University Press. (n.d.). In Oxford English dictionary . Retrieved , from Copy to clipboard Copied to clipboard Select format to download citation .ris (Papers, Zotero) .enw (EndNote) .txt (RefWorks) Download Contribute Please submit your feedback for reduction, n. Please include your email address if you are happy to be contacted about your feedback. OUP will not use this email address for any other purpose. Section (required) Factsheet Etymology Meaning & use Pronunciation Forms Frequency Compounds & derived words Other Feedback (required) Submit Citation details Factsheet for reduction, n. Browse entry Nearby entries reduct, n. 1579– reduct, adj. a1398–1749 reduct, v. 1548– reductant, n. 1924– reductase, n. 1902– reductase test, n. 1910– reductibility, n. 1804– reductio ad absurdissimum, n. 1865– reductio ad absurdum, n. 1730– reductio ad impossibile, n. 1552– reduction, n. ?a1425– reductional, adj. a1690– reductionally, adv. 1905– reduction compass, n. 1853– reduction division, n. 1891– reduction gear, n. 1883– reduction gearing, n. 1891– reduction-improbation, n. 1754–1868 reductionism, n. 1925– reductionist, n. & adj. 1826– reductionistic, adj. 1941– Browse more nearby entries