electron gas
Science
noun
A system of electrons, typically within a solid, which is unconstrained by individual atoms or molecules and can be approximately described using the kinetic theory of gases.
Origin
Early 20th century.
- on the side of the angels
- on the skew
- on the skids
- on the slide
- on the slops
- on the sly
- on the spot
- on the spur of the moment
- on the square
- on the stocks
- on the streets
- on the strength of
- on the stroke of ——
- on the table
- on the telephone
- on the tiles
- on the tip of one's tongue
- on the town
- on the trot
- on the turn
- on the turps
- on the up and up
- on the upgrade
- on the wallaby (track)
- on the wane