Thesaurus Dictionary
Synonyms and antonyms of Atoms and parts of atoms in American Thesaurus
Atoms and parts of atoms
alpha particle (noun)
the nucleus of a helium atom that is produced by some radioactive substances
anion (noun)
an ion with a negative electrical charge
antiparticle (noun)
a type of particle in an atom that has the opposite electrical charge to the charge that a normal particle has, although they both have the same mass
atom (noun)
science the smallest unit of any substance. It consists of a nucleus made of protons and neutrons with electrons traveling around it
atomic mass (noun)
atomic number (noun)
the number of protons in the nucleus of an atom
atomic weight (noun)
cation (noun)
an ion that has a positive electric charge
electron (noun)
a part of an atom that moves around the nucleus (=center) and has a negative electrical charge
elementary particle (noun)
one of the parts that make up a subatomic particle such as a proton or neutron
fissile (adjective)
a fissile atom or element can be separated into parts by nuclear fission
free radical (noun)
a molecule that has an extra electron and can react very easily with other molecules. Free radicals sometimes form in the human body and can cause cancer.
God particle (noun)
mainly journalism a non-technical name for the Higgs boson
graphene (noun)
a material that consists of a layer of carbon that is only one atom thick
Higgs boson (noun)
an elementary particle (=an extremely small piece of matter) that could explain where mass (=the amount of matter that something contains) comes from. It is sometimes referred to in non-technical contexts as the God particle.
ion (noun)
an atom with an electrical force created by adding or removing an electron
molar (adjective)
relating to a mole (=a unit for measuring the number of molecules in a substance)
molecule (noun)
the smallest part of an element or compound that is capable of independent existence. It consists of two or more atoms
monomer (noun)
a simple molecule that can combine with other molecules to form a polymer
neutrino (noun)
a particle that is smaller than an atom and has no electrical charge
neutron (noun)
the part of the nucleus of an atom that has no electrical charge
nucleus (noun)
chemistry the central part of an atom, consisting of protons and neutrons
particle (noun)
science an extremely small piece of matter that is part of an atom, for example an electron, proton, or neutron
pentaquark (noun)
a subatomic particle consisting of five quarks. It was first observed by scientists working at the Large Hadron Collider.
positron (noun)
a particle that is the same size as an electron but has a positive electrical charge
proton (noun)
the part of the nucleus of an atom that has a positive electrical charge
quark (noun)
a very small unit of matter that the particles of an atom consist of
relative atomic mass (noun)
the mass of an atom of a particular chemical element