(physics) conduction band; a range of electron energies in an insulator or semiconductor in which electrons can move freely and transport charge.

physics (as an area of study)

to suck/absorb a liquid / to take in/gobble/consume food or drink / (business) to take over/absorb a company

suction; absorption; assimilation / merger

to conduct

conduction

a transfer / migration

to transfer, to move / to migrate / to enter

electron / (attributive) the quality of being electronic

physics, the physical aspects of a phenomenon or a system