plural -s
: the portion of a chemical name that designates the position of an atom or group in a molecule (as β- in β-naphthylamine, m- in m-xylene, 2- in 2-butanol, or 1- in glucose-1-C14)

Word History


location + -ant

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Dictionary Entries Near locant

Cite this Entry

“Locant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/locant. Accessed 3 Dec. 2023.

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