Term: parabolic reflector: a concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beam
Broader: device: an instrumentality invented for a particular purpose | Unrelated: headspace: the volume left at the top of a filled container (bottle or jar or tin) before sealing
Broader: device: an instrumentality invented for a particular purpose | Unrelated: lentinus: a genus of fungus belonging to the family Tricholomataceae
Broader: device: an instrumentality invented for a particular purpose | Unrelated: pediment: a triangular gable between a horizontal entablature and a sloping roof
Broader: device: an instrumentality invented for a particular purpose | Unrelated: colic artery: arteries that supply blood to the colon
Broader: device: an instrumentality invented for a particular purpose | Unrelated: nucellus: central part of a plant ovule; contains the embryo sac
Broader: device: an instrumentality invented for a particular purpose | Unrelated: syndication: organizing into or administering as a syndicate
Broader: device: an instrumentality invented for a particular purpose | Unrelated: pocket mouse: any of various small nocturnal burrowing desert rodents with cheek pouches and long hind legs and tail
Broader: device: an instrumentality invented for a particular purpose | Unrelated: giant timber bamboo: large bamboo having thick-walled culms; native of China and perhaps Japan; widely grown elsewhere
Broader: device: an instrumentality invented for a particular purpose | Unrelated: genus bougainvillea: ornamental tropical woody vines
Broader: device: an instrumentality invented for a particular purpose | Unrelated: term: one of the substantive phrases in a logical proposition