(physics) Relating to particles that are constituents of the atom, or are smaller than an atom; such as proton, neutron, electron, etc.

(intransitive) To sink out of sight. / (transitive) To put into a liquid; to immerse; to plunge into and keep in. / (transitive, figuratively, in the passive) To engulf or overwhelm.

To overcome, quieten, or bring under control. / To bring (a country) under control by force.

(countable, uncountable) A division into smaller pieces of something that has already been divided. / (countable) Such a piece that has been divided.

(uncommon) To separate something into smaller pieces.

(inorganic chemistry, obsolete) mercuric chloride

A type of short range machine gun that is carried as a personal weapon and uses pistol ammunition.

The act of submitting or yielding; surrender. / The act of submitting or giving e.g. a completed piece of work. / The thing which has been submitted.

A subset or component of a mission.

Any of many units of matter smaller than an atom.