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Definitions

molecular

[muh-lek-yuh-ler] / məˈlɛk yə lər /
ADJECTIVE
microscopic
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Sean Eddy, a professor of molecular and cellular biology, said about 70% of the grades he gives are A’s because that many students meet the threshold for what he considers mastery of the material.

From The Wall Street Journal • Apr. 3, 2026

Just as computers rely on operations like "and," "or," and "not," this technology applies similar rules at the molecular level.

From Science Daily • Apr. 2, 2026

This capability could lead to breakthroughs in molecular computing and highly efficient optical devices that outperform current technologies.

From Science Daily • Mar. 31, 2026

An industry report found Lilly gets drugs to market 3.5 years faster than the rest of the industry on average, with over 24 new molecular entity launches occurring between 2015 and 2025.

From Barron's • Mar. 30, 2026

Perhaps there is some major and as yet undiscovered atmospheric constituent—nitrogen, for example—which keeps the average molecular weight of the atmosphere high and prevents blowoff.

From "Cosmos" by Carl Sagan