ten·sor

[ten-ser, -sawr]
noun
1.
Anatomy. a muscle that stretches or tightens some part of the body.
2.
Mathematics. a mathematical entity with components that change in a particular way in a transformation from one coordinate system to another.

Origin:
1695–1705; < Neo-Latin: stretcher, equivalent to Latin tend(ere) to stretch (see tend1) + -tor -tor, with dt > s

ten·so·ri·al [ten-sawr-ee-uhl, -sohr-] , adjective
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
tensor (ˈtɛnsə, -sɔː) [Click for IPA pronunciation guide]
 
n
1.  anatomy any muscle that can cause a part to become firm or tense
2.  maths a set of components, functions of the coordinates of any point in space, that transform linearly between coordinate systems. For three-dimensional space there are 3r components, where r is the rank. A tensor of zero rank is a scalar, of rank one, a vector
 
[C18: from New Latin, literally: a stretcher]
 
tensorial
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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00:10
Tensor is always a great word to know.
So is knee. Does it mean:
the thighbone of the human leg, extending from the pelvis to the knee, that is the longest, largest, and strongest in the body
the joint of the leg that allows for movement between the femur and tibia and is protected by the patella
Etymonline
Word Origin & History

tensor
muscle that stretches a part, 1704, Mod.L., agent noun of L. tendere "to stretch" (see tenet).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

tensor ten·sor (těn'sər, -sôr')
n.
A muscle that stretches or tightens a body part.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
tensor   (těn'sər, -sôr')  Pronunciation Key 
  1. A structure of quantities arranged by zero or more indices, such as a scalar (zero indices), a vector (one index), or a matrix (two indices), which is invariant under transformations of coordinates.

  2. Any of various muscles that stretch or tighten a body part, as the muscle that acts to tense the soft palate, called the tensor palati.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
The physical variables of the disk's energy-momentum tensor are calculated.
Port and others are also experimenting with diffusion tensor imaging.
It is the tensor strength that needs to progress with the progression of matter.
It took a long time to get through the tensor algebra and tensor calculus.
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