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molecule

noun

mol·​e·​cule ˈmä-li-ˌkyül How to pronounce molecule (audio)
1
: the smallest particle of a substance that retains all the properties (see property sense 1a) of the substance and is composed of one or more atoms (see atom sense 1a)
a molecule of water
a molecule of oxygen
2
: a tiny bit : particle
a molecule of political honesty Time

Example Sentences

There is not a molecule of evidence to support these charges. not a molecule of sense in that girl
Recent Examples on the Web Each kind of molecule leaves its own telltale imprints on traversing light, and some molecules, such as oxygen, carbon dioxide, and methane, may indicate life forms on the planet below. Alan Lightman, The Atlantic, 8 Sep. 2022 Shawn Hauser, a Colorado lawyer who specializes in cannabis law, explains it’s not really about the legality of the molecule itself. Elisabeth Garber-paul, Rolling Stone, 10 July 2022 The researchers incorporated unique regions of the molecule into human insulin, creating a hybrid that lacks the human version's clumping region. Anna Rogers, Scientific American, 21 June 2022 The second stage of the drug discovery process – the design of a molecule which will prevent the disease – is handled by a platform called Chemistry42. Calum Chace, Forbes, 6 June 2022 No company would want to license a patented molecule from a university, and then spend hundreds of millions–or even billions–of dollars further developing it and testing it, if the federal government could simply snatch away the license on a whim. Howard Dean, Fortune, 25 Aug. 2022 The problem is, at that level of dilution, not even a single molecule of the original substance would remain. Steven Salzberg, Forbes, 25 July 2022 Despite these hurdles, Jensen eventually discovered a new species of bacteria, Salinispora tropica, that produced a novel cancer-killing molecule. Stephanie Stone, Scientific American, 23 July 2022 In this case, Soiberman said, a foreign molecule like collagen could induce an immune reaction. Aria Bendix, NBC News, 11 Aug. 2022 See More

Word History

Etymology

French molécule, from New Latin molecula, diminutive of Latin moles mass

First Known Use

1701, in the meaning defined at sense 1

Time Traveler
The first known use of molecule was in 1701

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