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Audio English.org » Dictionary » N » Noviciate ... Nuclear Physicist

NUCLEAR

Pronunciation (US): 

 Dictionary entry overview: What does nuclear mean? 

NUCLEAR (adjective)
  The adjective NUCLEAR has 4 senses:

1. (weapons) deriving destructive energy from the release of atomic energy
2. of or relating to or constituting the nucleus of an atom
3. of or relating to or constituting the nucleus of a cell
4. constituting or like a nucleus

  Familiarity information: NUCLEAR used as an adjective is uncommon.


 Dictionary entry details 


NUCLEAR (adjective)


Sense 1nuclear [BACK TO TOP]

Meaning:

(weapons) deriving destructive energy from the release of atomic energy

Synonyms:

nuclear; atomic

Context examples:

nuclear war / nuclear weapons / atomic bombs

Similar:

thermonuclear (using nuclear weapons based on fusion as distinguished from fission)

Antonym:

conventional ((weapons) using energy for propulsion or destruction that is not nuclear energy)


Sense 2nuclear [BACK TO TOP]

Meaning:

Of or relating to or constituting the nucleus of an atom

Classified under:

Relational adjectives (pertainyms)

Context examples:

nuclear physics / nuclear fission / nuclear forces

Domain category:

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

Pertainym:

nucleus (the positively charged dense center of an atom)


Sense 3nuclear [BACK TO TOP]

Meaning:

Of or relating to or constituting the nucleus of a cell

Classified under:

Relational adjectives (pertainyms)

Context examples:

nuclear membrane / nuclear division

Domain category:

biological science; biology (the science that studies living organisms)

Pertainym:

nucleus (a part of the cell containing DNA and RNA and responsible for growth and reproduction)


Sense 4nuclear [BACK TO TOP]

Meaning:

Constituting or like a nucleus

Context examples:

annexation of the suburban fringe by the nuclear metropolis / the nuclear core of the congregation

Similar:

central (in or near a center or constituting a center; the inner area)


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