open fan
An 'open fan' can refer to various contexts, including aviation technology, non-verbal communication through hand fans, and machinery cooling systems.
Definition
C1Aviation
(technical)A type of aircraft engine fan where the blades are not enclosed in a duct, allowing for greater efficiency.
Example
- The new aircraft model features an open fan engine to improve fuel efficiency.
B2Non-verbal Communication
(historical, cultural)A hand-held fan in an unfolded state used to convey various messages through specific gestures.
Example
- In the Victorian era, women used an open fan to send secret signals during social gatherings.
B2Machinery
(technical)A cooling device in machinery or electronics where the blades are exposed to maximize airflow.
Example
- The open fan design in the new computer model helps keep the system cool under heavy usage.
Similar
Terms that have similar or relatively close meanings to "open fan":
in the openopen dooropen washopen setwide openopen upopen systemopen bookopen goalopen invitationopen wideopen airopen houseopen its doorsopen textureopen accessopen orderopen sourceopen seasonopen wateropen rotoropen secretopen the doordoor openeropen fireopen-door policyopen seaopen the attackpen upopen sunshinebreak openopen rateopening bookopen sesamefree worldopen one's heartpublic accessfree ball