(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
a period of time (4 or 2 hours) during which some of a ship's crew are on duty
the period during which someone (especially a guard) is on duty
observe with attention; "They watched as the murderer was executed"
observe or determine by looking; "Watch how the dog chases the cats away"
look attentively; "watch a basketball game"
see or watch; "view a show on television"; "This program will be seen all over the world"; "view an exhibition"; "Catch a show on Broadway"; "see a movie"
be vigilant, be on the lookout, be on one's guard, be careful; "Watch out for pickpockets!"
follow with the eyes or the mind; "Keep an eye on the baby, please!"; "The world is watching Sarajevo"; "She followed the men with the binoculars"
an event that occurs at a critical time; "at such junctures he always had an impulse to leave"; "it was needed only on special occasions"
a crisis situation or point in time when a critical decision must be made; "at that juncture he had no idea what to do"; "he must be made to realize that the company stands at a critical point"
the position of the football player in the backfield who directs the offensive play of his team; "quarterback is the most important position on the team"