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单词 apothem
释义

apothem

[ ap-uh-them ]
/ ˈæp əˌθɛm /

noun Geometry.

a perpendicular from the center of a regular polygon to one of its sides.

Origin of apothem

1855–60; <French apothème, probably on the model of Greek hypóthēma base; see apo-, theme

Words nearby apothem

apothecaries' weight, apothecary, apothecary jar, apothecium, apothegm, apothem, apotheosis, apotheosize, apotropaic, apotropaism, app
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for apothem

  • In any pyramid, the apothem is to half the base as the area of the four sides is to the area of the base.

    The Solution of the Pyramid Problem|Robert Ballard
  • A peculiarity of this pyramid is, that base is to altitude as apothem is to half base.

    The Solution of the Pyramid Problem|Robert Ballard
  • I have mentioned the above to show how very nearly these ratios agree with my exact ratio of 21 to 34 half base to apothem.

    The Solution of the Pyramid Problem|Robert Ballard
  • The "Apothem is a perpendicular from the vertex of a pyramid on a side of the base."

    The Solution of the Pyramid Problem|Robert Ballard

British Dictionary definitions for apothem

apothem
/ (ˈæpəˌθɛm) /

noun

the perpendicular line or distance from the centre of a regular polygon to any of its sides

Word Origin for apothem

C20: from apo- + Greek thema, from tithenai to place
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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更新时间:2025/2/4 0:26:34