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 (ā′sĭ-mĕt′rĭk) also a·sym·met·ri·cal (-rĭ-kəl)
a. Having no balance or symmetry: an asymmetric design.
b. Uneven in distribution.
a. Existing or occurring between two incommensurate entities, especially to the detriment of one.
b. Characterized by an imbalance in power between two opponents in an armed conflict, especially one in which a weaker force uses unconventional means, such as guerilla or terrorist tactics: asymmetric warfare.
3. Chemistry Of or relating to a carbon atom having four different atoms or structural groups attached to it, resulting in an unbalanced spatial arrangement of atoms in a molecule, so that the molecule cannot be superimposed on its mirror image; chiral.

a′sym·met′ri·cal·ly adv.
a·sym′me·try (ā-sĭm′ĭ-trē) adv.


(ˌæsɪˈmɛtrɪk; ˌeɪ-) or


1. not symmetrical; lacking symmetry; misproportioned
2. (Chemistry) chem
a. (of a molecule) having its atoms and radicals arranged unsymmetrically
b. (of a carbon atom) attached to four different atoms or radicals so that stereoisomerism results
c. involving chiral molecules: asymmetric synthesis.
3. (Electrical Engineering) electrical engineering (of conductors) having different conductivities depending on the direction of current flow, as of diodes
4. (Aeronautics) aeronautics having unequal thrust, as caused by an inoperative engine in a twin-engined aircraft
5. (Logic) logic maths (of a relation) never holding between a pair of values x and y when it holds between y and x, as "…is the father of…". Compare symmetric1, antisymmetric, nonsymmetric
6. (Mathematics) logic maths (of a relation) never holding between a pair of values x and y when it holds between y and x, as "…is the father of…". Compare symmetric1, antisymmetric, nonsymmetric
ˌasymˈmetrically adv


(ˌeɪ səˈmɛ trɪk, ˌæs ə-)

also a`sym•met′ri•cal,

1. not identical on both sides of a central line; lacking symmetry.
a. having an unsymmetrical arrangement of atoms in a molecule.
b. noting a carbon atom bonded to four different atoms or groups.
c. (of a polymer) noting an atom or group that is within a polymer chain and is bonded to two different atoms or groups that are external to the chain.
a`sym•met′ri•cal•ly, adv.
a•sym•me•try (eɪˈsɪm ɪ tri) n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.asymmetric - characterized by asymmetry in the spatial arrangement or placement of parts or componentsasymmetric - characterized by asymmetry in the spatial arrangement or placement of parts or components
irregular - contrary to rule or accepted order or general practice; "irregular hiring practices"


Not straight, uniform, or symmetrical:


[ˌeɪsɪˈmɛtrɪk] adj [shape] → asymétrique


References in periodicals archive ?
It looks like a classic bit of Russian asymmetric warfare -- you have a strong propaganda message that says you're doing one thing while in fact you are doing something completely different and when challenged you just flatly deny it," Philip Hammond told Reuters in an interview.
The vehicle will be available with EfficientGrip Performance (215/55RI7 94V) and another for more rugged, sporty applications, fitted with the Eagle F1 Asymmetric 2 (225/45R18 91Y).
Terrorism and the asymmetric tactics" were being unleashed on Pakistani society systematically for the last 36 years at least.
Today's threat environment involves diverse national security challenges, which include asymmetric warfare such as terrorism.
In the realms of applied mathematics and materials science we find many recent applications of asymmetric metric spaces, for example, in rate-independent models for plasticity [1], shape-memory alloys [2], and models for material failure [3].
Case 2b: Bending stress analysis for asymmetric bevel gear (Lower pressure angle on drive side)
These special gears are characterized by asymmetric involutes profiles of the tooth, having different diameters for the base circles of the opposite profiles (Litvin et al.
Unfortunately, discussions of asymmetric warfare all too often devolve into efforts to push pet programs or ideas, attack or defend political leaders, and substitute emotion for understanding.
This revolutionary construction gives the tyre its name - Eagle F1 Asymmetric.
Since the first Gulf War, our adversaries have also witnessed first hand the asymmetric advantage of the Global Positioning System (GPS), which is critical to space and missile defense, every part of the battlefield and billions upon billions of dollars in global commerce.
military to continue adjusting to an era of uncertainty with asymmetric challenges, he said.
Having an ongoing relationship between business partners is a deterrent to the abuse of asymmetric information, because sacrificing the relationship forecloses too many future opportunities for profitable deals.