Propeller head — In aerospace engineering, the propeller head (or hub) is the central part of the propeller which is mounted on the aircraft engine s reduction gear, and in which the propeller blades are inserted, and which manages blade pitch variation. Most of… … Wikipedia
propeller head — noun a) The central part of a propeller, into which the blades fit b) A person deeply absorbed in an academic field or technical interest, especially to the exclusion of social activities. Syn: nerd … Wiktionary
propeller-head — noun informal a person obsessed with computers or technology. Origin 1980s: prob. with ref. to a beanie hat with a propeller on top, popularized by science fiction enthusiasts … English new terms dictionary
propeller head — /prəˈpɛlə hɛd/ (say pruh peluh hed) noun Colloquial (derogatory) a person regarded as being an expert in a field, particularly technology, but out of touch with mainstream thinking. {from a style of cap, usually as a gimmick for children, with a… …
propeller-head — propellˈer head noun (slang) An obsessively studious or technologically minded person • • • Main Entry: ↑propel … Useful english dictionary
propeller head — Slang. a person who is obsessively devoted to an esp. technical pursuit. [1980 85] * * * … Universalium
propeller head — nickname for a person who is very talented and brilliant in technological subjects (mainly computers) … English contemporary dictionary
propeller head — Slang. a person who is obsessively devoted to an esp. technical pursuit. [1980 85] … Useful english dictionary
head — arrow·head; beach·head; be·head; be·head·al; bir·ken·head; block·head·ism; blunt·head; bog·head; bonnet·head; bra·den·head; bulk·head·ed; bull·head·ed·ly; bull·head·ed·ness; chow·der·head; chuck·le·head·ed; cop·per·head·ism; dou·ble·head·er;… … English syllables
Cylinder head — A 302/5.0L Ford cylinder head In an internal combustion engine, the cylinder head (often informally abbreviated to just head) sits above the cylinders on top of the cylinder block. It closes in the top of the cylinder, forming the combustion… … Wikipedia