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garlic
Science; General science
A hardy perennial, Allium sativum , of Asiatic origin and belonging to the plant order Liliales. Garlic is grown for its pungent bulbs, segments of which are used primarily for ...
cabbage
Science; General science
A hardy, cool-season crucifer ( Brassica oleracea var. capitata ) of Mediterranean origin and belonging to the plant order Capparales. Cabbage is grown for its head of ...
manifold (mathematics)
Science; General science
A Hausdorff topological space with an n -dimensional atlas of charts for some integer n . The integer n is called the dimension of the manifold. If M is a Hausdorff space, ...
cardioid
Science; General science
A heart-shaped curve generated by a point of a circle that rolls (without slipping) on a fixed circle of the same diameter. In point-wise construction of the curve, let O be a ...
hot-water heating system
Science; General science
A heating system for a building in which the heat-conveying medium is hot water. Heat transfer in British thermal units (Btu) equals pounds of water circulated times drop in ...
steam heating
Science; General science
A heating system that uses steam generated from a boiler. The steam heating system conveys steam through pipes to heat exchangers, such as radiators, convectors, baseboard units, ...
vapor condenser
Science; General science
A heat-transfer device that reduces a thermodynamic fluid from its vapor phase to its liquid phase. The vapor condenser extracts the latent heat of vaporization from the vapor, ...
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