Library / English Dictionary |
ATOMIC
Pronunciation (US): | (GB): |
I. (adjective)
Sense 1
Meaning:
(weapons) deriving destructive energy from the release of atomic energy
Example:
atomic bombs
Synonyms:
atomic; nuclear
Classified under:
Similar:
thermonuclear (using nuclear weapons based on fusion as distinguished from fission)
Sense 2
Meaning:
Classified under:
Similar:
little; small (limited or below average in number or quantity or magnitude or extent)
Derivation:
atom ((nontechnical usage) a tiny piece of anything)
Sense 3
Meaning:
Of or relating to or comprising atoms
Example:
atomic hydrogen
Classified under:
Relational adjectives (pertainyms)
Pertainym:
atom ((physics and chemistry) the smallest component of an element having the chemical properties of the element)
Derivation:
atom ((physics and chemistry) the smallest component of an element having the chemical properties of the element)
Context examples:
A radioactive isotope of cesium with an atomic mass of 139 and potential application in radiotherapy.
(Cesium Cs 137, NCI Thesaurus)
A substance with a defined atomic or molecular structure that results from, or takes part in, reactions involving changes in its structure, composition, or properties.
(Chemical, NCI Thesaurus)
An element with atomic symbol Cl, atomic number 17, and atomic weight 35.05.
(Chlorine, NCI Thesaurus)
The science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems.
(Chemistry, NCI Thesaurus)
The sum of the relative atomic masses of the constituent atoms of a molecule.
(Molecular mass, NCI Thesaurus)
These systems are comprised of atomic units and are quantitated utilizing nanoscale measurements.
(Molecular Nanotechnology, NCI Thesaurus)
An element with atomic symbol O, atomic number 8, and atomic weight 16.
(Oxygen, NCI Thesaurus)
An element with atomic symbol Os, atomic number 76, and atomic weight 190.23.
(Osmium, NCI Thesaurus)
Oxygen atoms having the same atomic number (protons) but different mass numbers (and different numbers of neutrons).
(Oxygen isotopes, NOAA Paleoclimate Glossary)
An element with atomic symbol Pd, atomic number 46, and atomic weight 106.42.
(Palladium, NCI Thesaurus)