from that place or from there; "proceeded thence directly to college"; "flew to Helsinki and thence to Moscow"; "roads that lead therefrom"
from that circumstance or source; "atomic formulas and all compounds thence constructible"- W.V.Quine; "a natural conclusion follows thence"; "public interest and a policy deriving therefrom"; "typhus fever results therefrom"
(chemistry) a surface forming a common boundary between two things (two objects or liquids or chemical phases)
(computer science) computer circuit consisting of the hardware and associated circuitry that links one device with another (especially a computer and a hard disk drive or other peripherals)
the overlap where two theories or phenomena affect each other or have links with each other; "the interface between chemistry and biology"
(computer science) a program that controls a display for the user (usually on a computer monitor) and that allows the user to interact with the system