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OneKitly

molecule

nounattested in dialogue

  • United Kingdom//ˈmɒl.ɪ.kjuːl//
  • United Kingdom//ˈmɒl.ə.kjuːl//
  • United States//ˈmɑ.lɪ.kjul//
  • United States//ˈmɑ.lə.kjul//
  • Canada//ˈmɒl.ɪ.kjul//

The smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds.

noun

  1. 1

    The smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds.

    Hydrogen chloride is a diatomic molecule, consisting of a hydrogen atom and a chlorine atom.

    The critical component of the photosynthetic system is the “water-oxidizing complex”, made up of manganese atoms and a calcium atom. This system splits water molecules and delivers some of their electrons to other molecules that help build up carbohydrates.

    Clinical trials testing the molecule in humans have been underway for three years, Sinclair said.

  2. 2

    A tiny amount.

Etymology

Etymology tree Latin mōlēs Proto-Indo-European *-lós Proto-Indo-European *-elós Proto-Italic *-elos Proto-Italic *-kelos Latin -cula New Latin mōlēculalbor. French moléculebor. English molecule Borrowed from French molécule, from New Latin molecula (“a molecule”), diminutive of Latin moles (“a mass”).

Forms

plural
molecules, moleculae, moleculæ
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).