Englishfor English speakers
laser
Noun
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A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.
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The term laser originated as an acronym for "light amplification by stimulated emission of radiation".
contouring
noun
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the construction of contour lines through a matrix of points each having a known value of some variable
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a technique in makeup using blush and bronzing powder to define contours on the face
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the building up of muscles with exercise
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walking along contour lines, usually to save energy or simplify navigation