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unsymmetrical

 - 4 dictionary results

sym⋅met⋅ri⋅cal

[si-me-tri-kuhl]
–adjective
1. characterized by or exhibiting symmetry; well-proportioned, as a body or whole; regular in form or arrangement of corresponding parts.
2. Geometry.
a. noting two points in a plane such that the line segment joining the points is bisected by an axis: Points (1, 1) and (1, −1) are symmetrical with respect to the x-axis.
b. noting a set consisting of pairs of points having this relation with respect to the same axis.
c. noting two points in a plane such that the line segment joining the points is bisected by a point or center: The points (1, 1) and (−1, −1) are symmetrical with respect to (0, 0).
d. noting a set consisting of pairs of points having this relation with respect to the same center.
3. Often, symmetric. Mathematics.
a. noting a square matrix that is equal to its transpose.
b. noting a dyad or dyadic that is equal to its conjugate.
c. noting a relation in which one element in relation to a second implies the second in relation to the first.
4. Botany.
a. divisible into two similar parts by more than one plane passing through the center; actinomorphic.
b. (of a flower) having the same number of parts in each whorl.
5. Chemistry.
a. having a structure that exhibits a regular repeated pattern of the component parts.
b. noting a benzene derivative in which three substitutions have occurred at alternate carbon atoms.
6. affecting corresponding parts simultaneously, as certain diseases.
Also, sym⋅met⋅ric.


Origin:
1745–55; symmetr(y) + -ical


sym⋅met⋅ri⋅cal⋅ly, adverb
sym⋅met⋅ri⋅cal⋅ness, noun


1. balanced, orderly, regular, congruent.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To unsymmetrical
un·sym·met·ri·cal   (ŭn'sĭ-mět'rĭ-kəl)   
adj.  Asymmetrical.
un'sym·met'ri·cal·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Medical Dictionary

Main Entry: sym·met·ri·cal
Pronunciation: s&-'me-tri-k&l
Variant: or sym·met·ric /-trik/
Function:adjective
: having, involving, or exhibiting symmetry: as a : affecting corresponding parts simultaneously and similarly symmetrical rash> b : exhibiting symmetry in a structural formula; especially : being a derivative with groups substituted symmetrically in the molecule —sym·met·ri·cal·ly /-tri-k(&-)lE/ adverb
Science Dictionary
symmetric (sĭ-mět'rĭk) or symmetrical   (sĭ-mět'rĭk)  Pronunciation Key 
  1. Relating to or exhibiting symmetry.

  2. Relating to a logical or mathematical relation between two elements such that if the first element is related to the second element, the second element is related in like manner to the first. The relation a = b is symmetric, whereas the relation a > b is not.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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