door opener

名词 n.

英文释义

名词 n.
  1. 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.
  2. Any of various devices designed to make opening a door easier.
    — Car door openers which are said to permit easy one-man operation are available. These devices consist of a light chain fall for attaching to the door handle. When door openers are used, the fixed end of the fall will not be fastened to a car ladder or grab iron.
  3. 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.
  4. Any of various devices designed to make opening a door easier.; 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".
  5. Someone who opens doors.
    — Imagine our language type as a "door opener." There are two kinds of door openers: “interpreter openers" and "compiler openers." An interpreter opener has a rough job. He must carry a large bag of keys wherever he goes.
  6. 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.
  7. 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.
  8. 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.

词形变化

door openers plural

词汇关系

相关词

词源

(sales): Compare get one's foot in the door.
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