molecule

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noun mol·e·cule \ˈmä-li-ˌkyül\

Definition of molecule

1 : the smallest particle of a substance that retains all the properties (see property 1a) of the substance and is composed of one or more atoms (see atom 1a) a molecule of water a molecule of oxygen
2 : a tiny bit : particle a molecule of political honesty — Time

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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

The excision mechanism consists of two molecules: an enzyme (Cas9) derived from a bacterium called Streptococcus pyogenes, and a piece of RNA, a chemical akin to DNA that is made up of similar genetic letters.

— The Economist, "Gene drivesA promising means of pest control meets some evolutionary truths," 22 July 2017
What are PFOs? PFOs is an organic molecule that contains fluorine.

— leada gore, AL.com, "Fish advisories: What Alabama fish are safe to eat? Understanding Health Department species alerts," 11 July 2017
These vaccines were made of RNA molecules , the compounds that encode the instructions used to make proteins such as neoantigens.

— Fox News, "Cancer vaccines help patients get tumor-free in 2 studies," 10 July 2017
This means that doctors only hear about new molecules.

— tim calkins, Fortune, "How Expanding Generic Drugs Can Add to America’s Health Care Woes," 6 July 2017
In other words, the glue was able to seep down below the surface of the hydrogel and connect with its molecules, forming a strong attachment within a few seconds.

— randy rieland, Smithsonian, "A More Super Superglue Could Help Build Jelly-Like Robots," 5 July 2017
Finding these types of molecules gives us clues to how life developed here.

— avery thompson, Popular Mechanics, "Scientists Found the Building Blocks For Life Around a Young Star," 30 June 2017
To find out, Nilsson and his colleagues used X-rays to track the distance between individual molecules of H20 at low temperatures.

— tia ghose senior writer, Fox News, "A bizarre new form of liquid water is discovered," 28 June 2017
Ninety percent of foes couldn’t hold a candle to my plucky squad of anime archetypes, who were seemingly able to catch bullets with their teeth and cut through molecules with their blades.

— steven strom, Ars Technica, "Valkyria Revolution trades in cult-classic status for wasted promise," 27 June 2017

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.