molecule
[ mol-uh-kyool ]
/ ˈmɒl əˌkyul /
noun
Chemistry, Physics. the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound.
Chemistry. a quantity of a substance, the weight of which, measured in any chosen unit, is numerically equal to the molecular weight; gram molecule.
any very small particle.
QUIZZES
LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!
Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.
Question 1 of 13
How do you say “cat” 🐈 in Spanish?
Origin of molecule
OTHER WORDS FROM molecule
sub·mol·e·cule, nounsu·per·mol·e·cule, nounWords nearby molecule
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for molecule
What Is “GOP” Short For?
“Capital” vs. “Capitol”: Do You Know Where You’re Going?
“Have” vs. “Has”: When To Use Each One
“Affect” vs. “Effect”: Use The Correct Word Every Time
Laying Down The Law On “Sedition” vs. “Treason” vs. “Insurrection” vs. “Coup”
The People’s Choice 2020 Word Of The Year: 2020 Was A $#@#%%$@!
British Dictionary definitions for molecule
molecule
/ (ˈmɒlɪˌkjuːl) /
noun
the simplest unit of a chemical compound that can exist, consisting of two or more atoms held together by chemical bonds
a very small particle
Word Origin for molecule
C18: via French from New Latin mōlēcula, diminutive of Latin mōlēs mass, mole 4
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for molecule
molecule
[ mŏl′ĭ-kyōōl′ ]
n.
The smallest particle into which an element or a compound can be divided without changing its chemical and physical properties; a group of atoms that is held together chemically.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for molecule
molecule
[ mŏl′ĭ-kyōōl′ ]
A group of two or more atoms linked together by sharing electrons in a chemical bond. Molecules are the fundamental components of chemical compounds and are the smallest part of a compound that can participate in a chemical reaction.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for molecule
molecule
[ (mol-uh-kyoohl) ]
A combination of two or more atoms held together by a force between them. (See covalent bond and ionic bond.)
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.