molecular
Americanadjective
adjective
-
of or relating to molecules
molecular hydrogen
-
logic (of a sentence, formula, etc) capable of analysis into atomic formulae of the appropriate kind
Other Word Forms
Etymology
Origin of molecular
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Explanation
Use the adjective molecular to describe something that has to do with or is made up of molecules. If you're studying molecular biology, you're focusing on the molecules that make up living things. When a scientist studies things on a molecular level, she's looking at them up close, examining their cells. The adjective molecular comes up most often in biology and chemistry, and it always describes the very smallest units that make up organisms or elements. Molecular comes from the noun molecule, which means "extremely minute particle," from the Latin molecula, "tiny mass."
Vocabulary lists containing molecular
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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.
The findings may also give researchers a new way to identify promising fossils for molecular analysis.
From Science Daily ● Aug. 14, 2026
Researchers around the world have explored several possible solutions, including different dielectric materials, molecular seed layers, and alternative methods for depositing oxides.
From Science Daily ● Aug. 9, 2026
"This particular seaweed is so small I needed to get some molecular data," Prof Maggs explains.
From BBC ● Jul. 31, 2026
They used molecular dynamics simulations to examine the processes occurring inside CoAl at the atomic level.
From Science Daily ● Jul. 31, 2026
Like viruses, they simply take over the molecular machinery of a much larger, well-functioning cell and change it from a factory for making more cells into a factory for making more viroids.
From "Cosmos" by Carl Sagan
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.