Converse of object

• emit: This research establishes for the first time a direct link between global warming and the soot particles emitted by motor vehicles.

• suspend: I have recently branched out into studying phase transitions in colloids, which are particles suspended in a liquid phase host.

• inhale: In some cases only 30 % of inhaled particles are trapped, the remainder are exhaled.

Adjective modifier

• sub-atomic: There is apparently no end to the proliferation of yet smaller sub-atomic particles.

• elementary: Particle Accelerators are devices used to accelerate charged elementary particles or ions to high energies.

• subatomic: In addition, new concepts are introduced ranging from the scale of subatomic particles, up to the size of galaxies and beyond.

• airborne: The unique design features multiple layers of oiled cotton fabric which captures the airborne dirt particles.

• radioactive: Sand and seawater has penetrated the tunnel, trapping radioactive particles within the tunnel.

• microscopic: These microscopic particles now have an electric charge which enables them to stick to surfaces more easily.

Modifies a noun

• physics: They are all part of the GridPP project, which runs the UK particle physics Grid.

• physic: Anyone interested in the world of elementary particle physics must get a copy.

• accelerator: The LHC will be the world's most powerful particle accelerator.

• physicist: They are building a distributed computing Grid across the UK for particle physicists.

• size: How do Concept produce such a small particle size?

Noun used with modifier

• alpha: The alpha particles will quickly be absorbed by clothing.

• dust: Clouds of dust particles brought about vivid sunsets all over the world for the next three years.

• aerosol: He will be investigating the optical properties of aerosol particles by cavity ringdown spectroscopy.

• soot: This research establishes for the first time a direct link between global warming and the soot particles emitted by motor vehicles.

• ultrafine: A major concern is the lack of knowledge regarding the ecotoxicity and the environmental impact of these ultrafine particles.

• high-energy: Some speculate that the high-energy particles are not protons at all but some exotic new particle.