molecule

noun — 2 senses

molecule

noun

UK /ˈmɒl.ɪ.kjuːl/ · US /ˈmɑ.lɪ.kjul/

Etymology Borrowed from French molécule, from New Latin molecula (“a molecule”), diminutive of Latin moles (“a mass”).

1

Chemistry, Natural sciences, Physical sciences 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.2013 September-October, Katie L. Burke, “In the News”, in American Scientist, Sigma Xi, →OCLC, archived from the original on 03 Sep 2013:
1 more example
  • Clinical trials testing the molecule in humans have been underway for three years, Sinclair said.2022 June 2, Sandee LaMotte, “The ‘Benjamin Button’ effect: Scientists can reverse aging in mice. The goal is to do the same for humans”, in CNN:
2

A tiny amount.

Synonyms
molecule
Derived terms
29 termsantimolecule, astromolecule, bimolecule, biomolecule, cell adhesion molecule, cell-adhesion molecule, fuel molecule, giant molecule, glycomolecule, God molecule, gram molecule, immunomolecule, metamolecule, micromolecule, molfile, nanomolecule, phytomolecule, polycule, polymolecule, protomolecule, pseudomolecule, quasimolecule, Rydberg molecule, single-molecule magnet, small molecule drug, spirit molecule, submolecule, supermolecule, supramolecule
Related terms
molecular, chemical compound
Hypernyms
composite particle
Hyponyms
macromolecule, monomer, polymer
Meronyms
atom

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.