Association of British Scrabble Players

Particles


antiatom an atom composed of ANTIPARTICLES.
antibaryon the antiparticle of the BARYON.
antielectron the antiparticle of the ELECTRON.
antilepton the antiparticle of the LEPTON.
antimatter matter composed of antiparticles.
antimuon the antiparticle of a MUON.
antineutrino the antiparticle of the NEUTRINO.
antineutron the antiparticle of the NEUTRON.
antiparticle the 'pair' of an elementary particle, particle and antiparticle being mutually destructive, having the same mass and spin but having opposite values for their other properties (eg charge, baryon number, strangeness).
antiproton the antiparticle of the PROTON.
antiquark the antiparticle of the QUARK.
anyon an elementary particle or particle-like excitation having properties intermediate between those of bosons and fermions.
atom the smallest particle in an element which can take part in a chemical reaction.
axion a hypothetical subatomic particle.
baryon a heavy subatomic particle involved in strong interactions with other subatomic particles and composed of three quarks bound together by GLUON.
baryonic relating to BARYONS, heavy subatomic particles involved in strong interactions with other subatomic particles.
boson any of a class of subatomic particles whose behaviour is governed by Bose-Einstein statistics, according to which, under certain conditions, particles of the same kind will accumulate in each low-energy quantum state.
bosonic relating to a BOSON, a kind of subatomic particle.
carbanion an ION carrying a negative electrical charge at the carbon position.
charmonium any of various elementary particles consisting of a charm quark and an antiquark > CHARMONIA.
classon an elementary atomic particle.
counterion an ION having a charge opposite to that of the substance with which it is associated.
deuteron deuton the NUCLEUS of heavy hydrogen, of mass 2, carrying unit positive charge.
diplon an alternative name for DEUTERON, the nucleus of heavy hydrogen.
diquark a low energy configuration of two QUARKS.
duplet a pair of ELECTRONS forming a single bond between atoms.
electron a minute particle charged with electricity, or a unit charge having inertia, normally forming part of an ATOM but capable of isolation as in cathode rays.
electroweak of or relating to a theory unifying electromagnetic and weak interactions between particles.
exciton a bound hole-electron pair in a semiconductor.
excitonic relating to an EXCITON.
fermion one of a group of subatomic particles, such as PROTONS, ELECTRONS and NEUTRONS, having half-integral spin and obeying the exclusion principle.
fermionic of or like a FERMION.
glueball a hypothetical subatomic particle consisting exclusively of gluons bound together.
gluon the name given to a hypothetical particle thought of as passing between QUARKS and so signifying the force that holds them together.
gravitino a hypothetical particle associated with the gravitational force.
graviton a hypothetical quantum of gravitational field energy.
hadron one of a class of subatomic particles, including BARYONS and MESONS.
hadronic of or like a HADRON, one of a class of subatomic particles.
hyperon any BARYON that is not a neutron.
interelectron operating between ELECTRONS.
ion an electrically-charged particle formed by loss or gain of ELECTRONS by an ATOM, effecting by its migration the transport of electricity.
ionicity the state of existing as an Ion.
ionise ionize to convert (an atom) into an ion by loss or gain of one or more electrons.
isospin a quantum number applied to members of closely related groups of particles to express and explain the theory that such particles (eg protons and neutrons) are in fact states of the same particle differing with regard to electric charge.
isotone one of a number of NUCLIDES having the same number of neutrons in the nucleus with differing numbers of protons.
isotope one of two more atoms with the same atomic number that contain different numbers of neutrons.
isotopic of or like an ISOTOPE.
isotopically (adv.) ISOTOPIC.
isotopy the state of being ISOTOPIC.
kaon an elementary particle of the MESON family.
kaonic of or like a KAON, an elementary particle of the meson family.
lepton any of a group of subatomic particles with weak interactions, including electrons, negative muons, tau particles and neutrinos, as opposed to a BARYON.
leptonic relating to a LEPTON, a subatomic particle.
meson a short-lived subatomic particle of smaller mass than a PROTON.
mesonic relating to the MESON, a short-lived subatomic particle of smaller mass than a proton.
mesotron formerly a MESON, now a MUON.
monopole a particle, thought to exist, that has a single magnetic charge.
multipion comprising many PIONS, pi-meson particles.
multiplet a group of elementary particles whose members differ only in electric charge.
muon a LEPTON formerly classified as a MESON.
muonic relating to a MUON, a kind of subatomic particle.
negaton negatron a hypothetical atomic particle with mass equal to that of a PROTON, but with a negative charge equal to that of an electron.
neutretto a name suggested for a neutral meson; a type of neutrino.
neutrino an uncharged particle with zero mass when at rest.
neutron a particle in the nucleus of an atom, which is without electrical charge and with approximately the same mass as a proton.
neutronic of or like a NEUTRON.
nonatomic not atomic.
nuclear pertaining to a nucleus.
nucleide nuclide an atom of specified atomic number and mass number.
nucleon a general name for a NEUTRON or PROTON.
nucleonic pertaining to nuclear physics.
nuclide see NUCLEIDE.
nuclidic of or like a NUCLIDE, an atom of specified atomic number and mass number.
parton a hypothetical particle that is held to be a constituent of nucleons.
pentaquark a hypothetical subatomic particle consisting of a group of five quarks (as compared to the usual three quarks).
photoelectron an electron released from a surface by a PHOTON.
photon a quantum of light or other electromagnetic radiation.
pion a pi-meson.
pionic relating to a PION, a pi-meson.
polaron a free ELECTRON trapped by polarization charges on the surrounding molecules.
positon positron a particle differing from the electron in having a positive charge.
positronium a POSITRON and and an ELECTRON bound together in a short-lived unit, similar to a hydrogen atom.
preon a hypothetical particle, a possible constituent of a quark.
proton a stable subatomic particle, occurring in all atomic nuclei, which is a BARYON with a positive charge equal and opposite to that of the ELECTRON and a mass 1836 times the electron's mass.
protonic relating to a PROTON.
quantum a naturally fixed minimum amount of some quantity > QUANTA or QUANTUMS.
quark a fundamental subatomic particle (thought to exist in six types: bottom, top, up, down, charmed and strange) which is not directly observable but is suggested as a unit out of which other subatomic particles are formed.
quasiparticle a composite entity (as a vibration in a solid) that is analogous in its behavior to a single particle.
soliton a solitary wave; a quantum which corresponds to a solitary wave in its transmission.
sparticle a shadow particle such as a squark believed to have been produced at the time of the Big Bang.
squark a hypothetical boson partner of a QUARK.
strange a type of QUARK > STRANGES.
subatom a constituent part of an ATOM.
subatomic relating to particles constituting the atom or processes that occur within the atom or at less than atomic level.
subatomics the study of subatomic particles.
subnucleus a secondary nucleus > SUBNUCLEI.
superatom a cluster of atoms behaving like a single ATOM.
superparticle a kind of particle postulated by the theory of supersymmetry.
superstring a hypothetical very small one-dimensional particle from which other fundamental particles arise
tachyon a theoretical elementary particle moving faster than light. [Gk. tachys, swift].
tachyonic relating to a TACHYON, a faster-than-light particle.
tardyon a subatomic particle that travels more slowly than the speed of light.
tauon a LEPTON of mass about 3600 times greater than that of an electron.
thermion an electrically charged particle, an electron or ion, emitted by an incandescent body.
triton the nucleus of tritium, composed of one proton and two neutrons.
wavicle an entity having characteristic properties of both waves and particles.
weakon a kind of subatomic particle associated with the electroweak force.
ylem a form of matter hypothesized by proponents of the big bang theory to have existed before the formation of the chemical elements.



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