单词 | point |
释义 | point [pȯint] GEOGRAPHY A tapering piece of land projecting into a body of water; it is generally less prominent than a cape. GRAPHIC ARTS A printer's unit of measurement, equivalent to 0.013837 inch (approximately 1/72 inch) or 1/12 pica; six lines of 12-point type measure 1 inch. Also known as printer's point; typography point. LAPIDARY A unit of mass, used in measuring precious stones, equal to 0.01 metric carat, or to 2 milligrams. MATHEMATICS 1. An element in a topological space. 2. One of the basic undefined elements of geometry possessing position but no nonzero dimension. 3. In positional notation, the character or the location of an implied symbol that separates the integral part of a numerical expression from its fractional part; for example, it is called the binary point in binary notation and the decimal point in decimal notation. NAVIGATION In marine operation, one thirty-second of a circle, or 111/4 degrees. |
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