Term: wind tunnel: a structure resembling a tunnel where air is blown at known velocities for testing parts of aircraft
Broader: structure: a thing constructed; a complex entity constructed of many parts | Unrelated: abortion pill: an abortion-inducing drug (trade name RU_486) developed in France; when taken during the first five weeks of pregnancy it blocks the action of progesterone so that the uterus sloughs off the embryo
Broader: structure: a thing constructed; a complex entity constructed of many parts | Unrelated: recognition: approval
Broader: structure: a thing constructed; a complex entity constructed of many parts | Unrelated: heliopause: the boundary marking the edge of the sun's influence; the boundary (roughly 100 AU from the sun) between the interplanetary medium and the interstellar medium; where the solar wind from the sun and the radiation from other stars meet
Broader: structure: a thing constructed; a complex entity constructed of many parts | Unrelated: caenolestes: type genus of the family Caenolestidae
Broader: structure: a thing constructed; a complex entity constructed of many parts | Unrelated: acid dye: dye in which the chromophore is part of a negative ion
Broader: structure: a thing constructed; a complex entity constructed of many parts | Unrelated: hydrogen fluoride: a colorless poisonous corrosive liquid made by the action of sulphuric acid on calcium fluoride; solutions in water are hydrofluoric acid
Broader: structure: a thing constructed; a complex entity constructed of many parts | Unrelated: doctor of medicine: a doctor's degree in medicine
Broader: structure: a thing constructed; a complex entity constructed of many parts | Unrelated: chelonethida: false scorpions
Broader: structure: a thing constructed; a complex entity constructed of many parts | Unrelated: porphyry: any igneous rock with crystals embedded in a finer groundmass of minerals
Broader: structure: a thing constructed; a complex entity constructed of many parts | Unrelated: pulque: fermented Mexican drink from juice of various agave plants especially the maguey