door opener noun8 •Any of various devices designed to make opening a door easier. •Any of various devices to automatically open a door in response to a sensor or signal sent from a controller.A radio control for a door opener operating above 70 MHz manufactured after March 24, 1971 shall be certificated pursuant to Subpart B of this part. — 1959 •A crowbar-like tool used by firefighters to quickly force locked doors to open.The two most common types of door openers used are the "Hale" and the "Detroit". — 1947 •Someone or something that provides someone with opportunities that would otherwise be unavailable to them.There are so many things that we experience that could be door openers for demons. — 2010 •Any tactic, approach, or giveaway item employed by a salesman to capture the interest of a potential customer.[…] when working the territory cold, you will find these little notes great door openers. — 1922 •A communication technique designed to encourage someone to speak openly.The therapeutic interviewer can use a door opener to start to explore a particular client concern. — 2008 •Someone who opens doors.Jody steps toward the first door, then motions for his lighting man–Mike, and his designated door opener–Wil, to flank him. — 2014 •The control mechanism by which a door is latched and unlatched.Last, door systems are examined, particularly locking and latching mechanisms, door openers and door closers. — 1988 formsdoor openers
