molecular beam

noun

, Physics.

1. a stream of molecules freed from a substance, usually a salt, by evaporation and then passed through a narrow slit for focusing, for investigating the properties of nuclei, atoms, and molecules.

molecular beam

noun

1. physics a parallel beam of molecules that are at low pressure and suffer no interatomic or intermolecular collisions

Example Sentences

Arcot accelerated away from it as Fuller hit it with a molecular beam.

From Project Gutenberg

The molecular beam projector simply projected the field that caused molecular motion to take place as wanted.

From Project Gutenberg

Wade caught it with a molecular beam, and it became a blazing wreck on the ground.

From Project Gutenberg

Arcot suspended it on the molecular beam while Wade melted it with the heat beam.

From Project Gutenberg

Waiting no longer to determine that it was not a ship of this world, he shot a molecular beam at it.

From Project Gutenberg