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particle US English

A minute portion of matter

particle US Thesaurus

minute particles of rock

particle New Oxford Dictionary for Writers & Editors

word used with a verb to make a phrasal verb

W particle US English

A heavy charged elementary particle considered to transmit the weak interaction between other elementary particles

Z particle US English

A heavy, uncharged elementary particle considered to transmit the weak interaction between other elementary particles

beta particle US English

A fast-moving electron emitted by radioactive decay of substances. (The emission of beta particles was originally regarded as a ray.)

God particle US English

Informal name for Higgs boson.

particle beam US English

A concentrated stream of subatomic particles, generated in order to cause collisions between particles that will shed new light on their nature and structure

alpha particle US English

A helium nucleus emitted by some radioactive substances, originally regarded as a ray

nobiliary particle US English

A preposition forming part of a title of the nobility (e.g. French de, German von)

particle physics US English

The branch of physics that deals with the properties, relationships, and interactions of subatomic particles

strange particle US English

A subatomic particle classified as having a nonzero value for strangeness

subatomic particle US English

A particle smaller than an atom (e.g., a neutron) or a cluster of such particles (e.g., an alpha particle)

nobiliary particle New Oxford Dictionary for Writers & Editors

preposition forming part of a title of the nobility, e.g. French de or German von

elementary particle US English

Any of various fundamental subatomic particles, including those that are the smallest and most basic constituents of matter (leptons and quarks) or are combinations of these (hadrons, which consist of quarks), and those that transmit one of the four fundamental interactions in nature (gravitational, electromagnetic, strong, and weak)

fundamental particle US English

Another term for elementary particle.

particle accelerator US English

An apparatus for accelerating subatomic particles to high velocities by means of electric or electromagnetic fields. The accelerated particles are generally made to collide with other particles, either as a research technique or for the generation of high-energy X-rays and gamma rays

tau particle in tau US English

An unstable subatomic particle of the lepton class, with a charge of −1 and a mass roughly 3,500 times that of the electron

antiparticle US English

A subatomic particle having the same mass as a given particle but opposite electric or magnetic properties. Every kind of subatomic particle has a corresponding antiparticle, e.g., the positron has the same mass as the electron but an equal and opposite charge

nanoparticle US English

A nanoscale particle

Higgs boson US English

A subatomic particle whose existence is predicted by the theory that unified the weak and electromagnetic interactions

Higgs particle in Higgs boson US English

A subatomic particle whose existence is predicted by the theory that unified the weak and electromagnetic interactions

particleboard US English

Material made in rigid sheets or panels from compressed wood chips and resin, often coated or veneered, and used in furniture, buildings, etc., where a stronger material is not required

upsilon particle in upsilon US English

A meson thought to contain a b quark bound to its antiparticle, produced in particle accelerators