单词	carbonyl
释义	carbonyl noun car·​bon·​yl ˈkär-bə-ˌnil  -ˌnēl, ˌkär-bə-ˈnēl, kär-ˈbä-nᵊl,  especially British  ˈkä-bə-ˌnī(-ə)l 1 : an organic functional group or radical −CO− occurring in aldehydes, ketones, carboxylic acids, esters, and their derivatives 2 : a coordination complex involving the neutral radical CO chromium carbonyl carbonylic ˌkär-bə-ˈni-lik  adjective Example Sentences Recent Examples on the Web Incorporating his innovative use of aldehydes, which are organic compounds where a carbon atom shares a double bond with an oxygen atom, a single bond with a hydrogen atom, and a single bond with another atom to form the carbonyl group. Allyson Portee, Forbes, 16 Apr. 2021 Some scientists are less confident about using carbonyl sulfide as a method to measure photosynthesis. Sarah Gibbens, National Geographic, 16 May 2019 As new land was uncovered, plants sprang up and began destroying carbonyl sulfide. Carl Zimmer, New York Times, 5 Apr. 2017 Plants draw in carbonyl sulfide along with carbon dioxide. Carl Zimmer, New York Times, 5 Apr. 2017 Word History First Known Use 1857, in the meaning defined at sense 1 Medical Definition carbonyl noun car·​bon·​yl ˈkär-bə-ˌnil, -ˌnēl  : an organic functional group CO occurring in aldehydes, ketones, carboxylic acids, esters, and their derivatives
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