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单词 chiral
释义

chiral

adjective

chi·​ral ˈkī-rəl How to pronounce chiral (audio)
: of or relating to a molecule that is not superimposable on its mirror image
chirality
kī-ˈra-lə-tē How to pronounce chiral (audio)
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

Medical Definition

chiral

adjective

chi·​ral ˈkī-rəl How to pronounce chiral (audio)
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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更新时间:2025/3/15 20:48:19