单词	chiral
释义	chiral adjective chi·​ral ˈkī-rəl  : of or relating to a molecule that is not superimposable on its mirror image chirality kī-ˈra-lə-tē  kə- noun Example Sentences Recent Examples on the Web At a cutoff of 1 GeV, for example, chiral effective field theory stops working, because protons and neutrons stop behaving like single particles and instead act like trios of quarks. Quanta Magazine, 1 Mar. 2022 Many pharmaceutical compounds are enantiomers (which is the word for mutually chiral pairs). Rebecca Coffey, Forbes, 9 Dec. 2021 But instead of evaluating a chemical, the researchers plan to roast the microbes with beams of chiral electrons or muons. Quanta Magazine, 29 June 2020 That occurs because the shape is chiral and cannot be transformed into its perfect mirror image. Courtney Linder, Popular Mechanics, 30 Sep. 2019 Typically, these are very small twisted metal wires that are also chiral. Courtney Linder, Popular Mechanics, 30 Sep. 2019 Scientists now have an enzyme that doesn’t need a chiral world. Quanta Magazine, 26 Nov. 2014 To make the calculation possible, chiral effective field theory employs a math trick sometimes used in high school calculus. Quanta Magazine, 4 Dec. 2012 The game's plot revolves around the rebuilding of U.S. infrastructure through a system of information nodes called the chiral network. Kahlief Adams, The Hollywood Reporter, 1 Nov. 2019 See More Word History Etymology chir- + -al entry 1 First Known Use 1894, in the meaning defined above Phrases Containing chiral chiral center chiral center Medical Definition chiral adjective chi·​ral ˈkī-rəl  1 a of a molecule : having a structure that is nonsuperimposable on its mirror image chiral molecules b : relating to or composed of chiral molecules In discussions of chiral drugs, thalidomide is sometimes cited as a prime example of a drug that differs strikingly in the properties of its two enantiomers. Stephen C. Stinson, Chemical & Engineering News 2 : of, relating to, or being a chiral center
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