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lysosome
Science; General science
A digestive structure found within virtually all types of animal cells. Lysosome sizes, microscopic appearances, and other properties vary among different cell types and ...
microcomputer
Science; General science
A digital computer whose central processing unit consists of a microprocessor, a single semiconductor integrated circuit chip. Once less powerful than larger computers, ...
dimensionless groups
Science; General science
A dimensionless group is any combination of dimensional or dimensionless quantities possessing zero overall dimensions. Dimensionless groups are frequently encountered in ...
asparagus
Science; General science
A dioecious perennial monocot ( Asparagus officinalis ) of Mediterranean origin belonging to the plant order Liliales. Asparagus is grown for its young shoots or spears, which ...
fired heater
Science; General science
A direct-fired heater used in processing petroleum. The basic feature of these heaters is that the fluid (liquid, vapor, or a mixture of both phases) is heated in carbon- or ...
corner reflector antenna
Science; General science
A directional antenna consisting of the combination of a reflector comprising two conducting planes forming a dihedral angle and a driven radiator or dipole which usually is in ...
ecological succession
Science; General science
A directional change in an ecological community. Populations of animals and plants are in a dynamic state. Through the continual turnover of individuals, a population may expand ...
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