Definition of molecule
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Examples of molecule in a Sentence
There is not a molecule of evidence to support these charges.
not a molecule of sense in that girl
Recent Examples of molecule from the Web
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The first human clinical trials involving a drug that kills crucial messenger molecules to the HD gene are underway in England and Canada.
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Our skin contains molecules that are perfectly structured to absorb the energy of UVA and UVB photons.
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The first human clinical trials involving a drug that kills crucial messenger molecules to the HD gene are underway in England and Canada.
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These molecules signal reward centers in the brain and increase the enjoyment of eating.
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The new paper looks at two methods of photosynthesis in particular: C3 and C4, named after the structure of the molecules the methods produce.
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At the University of Central Florida, chemist Fernando Uribe-Romo has developed a synthetic crystalline molecule that can trap carbon dioxide (CO2) and convert the energy from sunlight into organic compounds that can be used as fuels.
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Inside the cell, nucleotides like ATP and UTP are energy carriers and important molecules in normal metabolism.
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While there are techniques for producing femtosecond snapshots of some specific chemical reactions between small molecules, there's no way to track the atoms in a protein on that sort of timescale.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'molecule'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of molecule
French molécule, from New Latin molecula, diminutive of Latin moles mass
First Known Use: 1701
MOLECULE Defined for English Language Learners
molecule
playDefinition of molecule for English Language Learners
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: the smallest possible amount of a particular substance that has all the characteristics of that substance
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: a very small amount of something
MOLECULE Defined for Kids
molecule
playDefinition of molecule for Students
: the smallest portion of a substance having the properties of the substance a molecule of water
Medical Dictionary
molecule
playMedical Definition of molecule
: the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms
Learn More about molecule
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See words that rhyme with molecule Thesaurus: All synonyms and antonyms for molecule Spanish Central: Translation of molecule Nglish: Translation of molecule for Spanish speakers Britannica English: Translation of molecule for Arabic speakers Britannica.com: Encyclopedia article about molecule
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