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MOLECULE

Pronunciation (US): 

 Dictionary entry overview: What does molecule mean? 

MOLECULE (noun)
  The noun MOLECULE has 2 senses:

1. (physics and chemistry) the simplest structural unit of an element or compound
2. (nontechnical usage) a tiny piece of anything

  Familiarity information: MOLECULE used as a noun is rare.


 Dictionary entry details 


MOLECULE (noun)


Sense 1molecule [BACK TO TOP]

Meaning:

(physics and chemistry) the simplest structural unit of an element or compound

Classified under:

Nouns denoting substances

Hypernyms ("molecule" is a kind of...):

building block; unit (a single undivided natural thing occurring in the composition of something else)

Meronyms (parts of "molecule"):

chain; chemical chain ((chemistry) a series of linked atoms (generally in an organic molecule))

atom ((physics and chemistry) the smallest component of an element having the chemical properties of the element)

chemical group; group; radical ((chemistry) two or more atoms bound together as a single unit and forming part of a molecule)

Domain category:

chemical science; chemistry (the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions)

natural philosophy; physical science; physics (the science of matter and energy and their interactions)

Hyponyms (each of the following is a kind of "molecule"):

dipole molecule (a molecule that is a permanent dipole)

protein molecule (any large molecule containing chains of amino acids linked by peptide bonds)

coenzyme (a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes)

macromolecule; supermolecule (any very large complex molecule; found only in plants and animals)


Sense 2molecule [BACK TO TOP]

Meaning:

(nontechnical usage) a tiny piece of anything

Classified under:

Nouns denoting substances

Synonyms:

corpuscle; mote; particle; atom; molecule; speck

Hypernyms ("molecule" is a kind of...):

material; stuff (the tangible substance that goes into the makeup of a physical object)

Hyponyms (each of the following is a kind of "molecule"):

grain (a small hard particle)

chylomicron (a microscopic particle of triglycerides produced in the intestines during digestion; in the bloodstream they release their fatty acids into the blood)

flyspeck (a tiny dark speck made by the excrement of a fly)

identification particle (a tiny particle of material that can be added to a product to indicate the source of manufacture)


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