What do a.m. and p.m. stand for?


[sen-troid] /ˈsɛn trɔɪd/
Mechanics. the point that may be considered as the center of a one- or two-dimensional figure, the sum of the displacements of all points in the figure from such a point being zero.
Compare center of mass.
Also called median point. Geometry. that point where the medians of a triangle intersect.
Origin of centroid
1875-80; centr- + -oid
Related forms
centroidal, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for centroid
  • Each polygon has a uniquely identified centroid, which is a point located anywhere within the area.
  • Differently from non-fires, the centroid and size of the high temperature cluster are highly time dependent.
British Dictionary definitions for centroid


  1. the centre of mass of an object of uniform density, esp of a geometric figure
  2. (of a finite set) the point whose coordinates are the mean values of the coordinates of the points of the set
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
Cite This Source

Word of the Day

Difficulty index for centroid

Most English speakers likely know this word

Word Value for centroid

Scrabble Words With Friends