Dwell time may refer to: Dwell time (filtration), the time a fluid remains in contact with an active filter medium. Dwell time (GNSS) Dwell time (information retrieval), the time a user remains at a search result after a click Dwell time (military), the time personnel spend in home station between deployments Dwell time (radar), the time that an antenna beam spends on a target Dwell time (shooting), the time from start of ignition until the bullet leaves the barrel Dwell time (transportation), the time a vehicle spends at a scheduled stop without moving Service time, in queueing theory