From Wikipedia, the free encyclopedia

The word size may refer to how big something is. In particular:

• Measurement
• Dimensions: length, width, height, diameter, perimeter, area, volume
• Clothing sizes such as shoe size or dress size
• Body dimensions
  • Human height
  • Human weight
• In statistics (hypothesis testing), the size of the test refers to the rate of false positives, denoted by α.
• In computing, filesize
• Size (Unix), a command-line Unix tool.
• Magnitude or size of a mathematical object.
• Magnitude of brightness or intensity of a star or an earthquake as measured on a logarithmic scale.
• In mathematics there are, in addition to the dimensions mentioned above (equal if there is an isometry), various other concepts of size for sets:
  • measure (mathematics)
  • cardinality (equal if there is a bijection)
  • for well-ordered sets: ordinal number (equal if there is an order-isomorphism)

Size can also refer to:

• Sizing, gelatinous or glutinous substances used as a glaze or filler for porous materials such as paper or cloth

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