Word: door opener Part of Speech: noun Etymology: (sales): Compare get one's foot in the door. 1. The control mechanism by which a door is latched and unlatched. Example: Last, door systems are examined, particularly locking and latching mechanisms, door openers and door closers. Example: […] the rack being engaged by a meshing door opening and/or closing pinion of a door opener whereby the door is thus capable of being opened upon the door opener controlled rotation of said pinion in one direction and of being closed upon the door opener controlled rotation of such pinion in the other direction. 2. Any of various devices designed to make opening a door easier. Example: 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. Example: The door openers were printed in PLA at a rate of 70–80 per day at the University of Cincinnati Digital Fabrication Laboratory across roughly 20 3D printers. The door openers were printed in batches of 3–4 per print session on each printer. 3. Any of various devices designed to make opening a door easier. Example: 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. Example: Some inspectors will not test an automatic door opener if there is a vehicle parked in the garage under the opener. 4. Any of various devices designed to make opening a door easier. Example: The two most common types of door openers used are the "Hale" and the "Detroit". Example: Within this one tool, you have the same basic feature of the door opener, crowbar, and hatchet. 5. Someone who opens doors. Example: 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. Example: Jody steps toward the first door, then motions for his lighting man–Mike, and his designated door opener–Wil, to flank him. 6. Any tactic, approach, or giveaway item employed by a salesman to capture the interest of a potential customer. Example: […] when working the territory cold, you will find these little notes great door openers. Example: We occasionally resort to what we call "door openers" to aid the salesman in obtaining an interview. One of these was a bill hook, a very useful little device, for hanging in the kitchen and making it convenient for the housewife […] 7. A communication technique designed to encourage someone to speak openly. Example: The therapeutic interviewer can use a door opener to start to explore a particular client concern. Example: Door-openers are like green lights for motorists. They are signals that listeners use to encourage speakers to elaborate on their message. 8. Someone or something that provides someone with opportunities that would otherwise be unavailable to them. Example: There are so many things that we experience that could be door openers for demons. Example: The story of the mutual 'door-openers,' then, depicts the act of one agent sneaking the other agent into the room behind the door as though the term that opens the door could be used – like the Trojan horse – strictly instrumentally: diversity only opens the door or functions as a container, and in comes gender, or equality or antidiscrimination.