molecule

Syllables: mol·e·cule/ˈmɒl.ɪ.kjuːl/US/ˈmɑ.lɪ.kjul/

molecule noun: 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

molecule (plural molecules or moleculae or moleculæ)

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
A tiny amount.

Synonyms:

atom, particle, ace, thought, atomy, aught, bissel, continental, bit, crumb

molecule meaning in Hindi, Tamil, Marathi and Urdu

molecule in Hindi

group of atoms held together by chemical bonds: अणु aṇu, व्यूहाणु vyūhāṇu

molecule in Tamil

group of atoms held together by chemical bonds: மூலக்கூறு mūlakkūṟu

molecule in Marathi

group of atoms held together by chemical bonds: रेणू reṇū

molecule in Urdu

group of atoms held together by chemical bonds: اَنُو anū, سالْمَہ sālma

More languagesFewer languages

molecule in Bengali: অণু onu
molecule in Telugu: అణువు aṇuvu
molecule in Malayalam: തന്മാത്ര tanmātra
molecule in Kannada: ಅಣು aṇu
molecule in Punjabi: ਅਣੂ aṇū
molecule in Gujarati: અણુ aṇu
molecule in Sanskrit: घनाणु ghanāṇu, अणु aṇu
molecule in Sinhala: අණුව aṇuwa
molecule in Assamese: অণু onu
molecule in Nepali: अणु aṇu
molecule in Pashto: مالېکول mālekúl
molecule in Tagalog: molekula
molecule in Arabic: جُزَيْء juzayʔ
molecule in Malay: molekul
molecule in Indonesian: molekul
molecule in Thai: โมเลกุล moo-lee-gun, อณู à-nuu
molecule in Vietnamese: phân tử
molecule in Myanmar: မော်လီကျူး mauli-kyu:

Examples of molecule in a sentence

A methane molecule is made up of a single carbon with four hydrogens.
Catabolism is a destructive metabolism that involves the breakdown of molecules and release of energy.
A change in a gene is reflected in the protein or RNA molecule that it codes for.

All 40 example sentences with molecule

Synonyms of molecule

30 more synonymsFewer synonyms

All synonyms of molecule

Forms of molecule

plural	molecules
plural	moleculae
plural	moleculæ

Plural of molecule: molecules or moleculae

Origin of molecule

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

Phrases with molecule

Questions about molecule

What does molecule mean?: Molecule means 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.
What is molecule in Hindi?: Molecule in Hindi is अणु (aṇu), व्यूहाणु (vyūhāṇu). See Molecule meaning in Hindi.
What part of speech is molecule?: Molecule is a noun.
How do you pronounce molecule?: Molecule is pronounced /ˈmɒl.ɪ.kjuːl/ (UK).
What is the plural of molecule?: The plural of molecule is molecules.

Words near molecule in the dictionary

Adapted from Wiktionary: molecule (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-molecule.wav.

Cite this entry: “molecule.” Word.ws, https://word.ws/molecule. Based on Wiktionary, CC BY-SA 4.0.