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   map

   /map/

   noun

   • 1. a diagrammatic representation of an area of land or sea showing physical features, cities, roads, etc.: "a street map"
   • ▪ a two-dimensional representation of the positions of stars or other astronomical objects: "she went inside to check a star map"
   • ▪ a diagram or collection of data showing the spatial arrangement or distribution of something over an area: "an electron density map"
   • ▪ a representation of the sequence of genes on a chromosome or genome, or of bases in a DNA or RNA molecule: "a physical and genetic map of the entire human genome"
   • ▪ another term for mapping
   • 2. a person's face: informal, dated "you ought to know my map by now"

   verb

   • 1. represent (an area) on a map; make a map of: "inaccessible parts will be mapped from the air"
   • ▪ record in detail the spatial distribution of (something): "the project to map the human genome"
   • ▪ associate (a group of elements or qualities) with an equivalent group, according to a particular formula or model: "the transformational rules map deep structures into surface structures"
   • ▪ be associated with or linked to (an equivalent group): "it is not obvious that the subprocesses of language will map on to individual brain areas"
   • ▪ associate each element of (a set) with an element of another set: "the direct sum of two rings A and B may be mapped homomorphically on the summand"

   Word Origin early 16th century: from medieval Latin mappa mundi, literally ‘sheet of the world’, from Latin mappa ‘sheet, napkin’ + mundi ‘of the world’ (genitive of mundus).

   Derivatives

   • 1. mapless adjective
   • 2. mappable adjective
   • 3. mapper noun

   Scrabble Points: 7

   • M

     3

   • A

     1

   • P

     3

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