molecular weight
noun
: the average mass of a molecule of a compound compared to ¹/₁₂ the mass of carbon 12 and calculated as the sum of the atomic weights of the constituent atoms
Examples of molecular weight in a Sentence
Recent Examples on the Web
But what stuck out to me was that the protein is not easily absorbed into skin due to its high molecular weight.
—
Kiana Murden, Vogue, 21 Mar. 2025
This serum utilizes three types of hyaluronic acid with different molecular weights.
—Danielle Cohen, Glamour, 19 Feb. 2025
At high molecular weights, the liquid form of the hydrocarbon would be too viscous for droplets to form readily.
—IEEE Spectrum, 5 Nov. 2014
Using ultra-low molecular weight collagen and low molecular weight hyaluronic acid (otherwise known as oligo HA) means deeper penetration of hydrating, plumping goodness.
—Sarah Han, Allure, 22 Feb. 2025
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Kiana Murden, Vogue, 21 Mar. 2025
This serum utilizes three types of hyaluronic acid with different molecular weights.
—Danielle Cohen, Glamour, 19 Feb. 2025
At high molecular weights, the liquid form of the hydrocarbon would be too viscous for droplets to form readily.
—IEEE Spectrum, 5 Nov. 2014
Using ultra-low molecular weight collagen and low molecular weight hyaluronic acid (otherwise known as oligo HA) means deeper penetration of hydrating, plumping goodness.
—Sarah Han, Allure, 22 Feb. 2025
See All Example Sentences for molecular weight
Cite this Entry
“Molecular weight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/molecular%20weight. Accessed 31 Mar. 2025.
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