| variability | (noun) the quality of being subject to variation | Synonyms: variableness, variance |
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| (noun) the quality of being uneven and lacking uniformity | Synonyms: unevenness |
| variable | (noun) a quantity that can assume any of a set of values | Synonyms: variable quantity |
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| (noun) a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity | - |
| (noun) something that is likely to vary; something that is subject to variation | - |
| (noun) a star that varies noticeably in brightness | Synonyms: variable star |
| variableness | (noun) the quality of being subject to variation | Synonyms: variability, variance |
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| variance | (noun) an activity that varies from a norm or standard | Synonyms: variation |
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| (noun) an official dispensation to act contrary to a rule or regulation (typically a building regulation) | - |
| (noun) a difference between conflicting facts or claims or opinions | Synonyms: disagreement, discrepancy, divergence |
| (noun) the quality of being subject to variation | Synonyms: variability, variableness |
| (noun) the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value | - |
| (noun) discord that splits a group | Synonyms: division |
| (noun) an event that departs from expectations | Synonyms: discrepancy, variant |
| variant | (noun) a variable quantity that is random | Synonyms: chance variable, random variable, stochastic variable, variate |
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| (noun) something a little different from others of the same type | Synonyms: edition, variation, version |
| (noun) an event that departs from expectations | Synonyms: discrepancy, variance |
| (noun) (biology) a group of organisms within a species that differ in trivial ways from similar groups | Synonyms: form, strain, var. |
| variate | (noun) a variable quantity that is random | Synonyms: chance variable, random variable, stochastic variable, variant |
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| variation | (noun) an activity that varies from a norm or standard | Synonyms: variance |
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| (noun) the act of changing or altering something slightly but noticeably from the norm or standard | - |
| (noun) (ballet) a solo dance or dance figure | Synonyms: pas seul |
| (noun) an artifact that deviates from a norm or standard | - |
| (noun) something a little different from others of the same type | Synonyms: edition, variant, version |
| (noun) a repetition of a musical theme in which it is modified or embellished | - |
| (noun) an instance of change; the rate or magnitude of change | Synonyms: fluctuation |
| (noun) (biology) an organism that has characteristics resulting from chromosomal alteration | Synonyms: mutant, mutation, sport |
| (noun) (astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon) | - |
| (noun) the process of varying or being varied | - |
| (noun) the angle (at a particular location) between magnetic north and true north | Synonyms: magnetic declination, magnetic variation |
| varicella | (noun) an acute contagious disease caused by herpes varicella zoster virus; causes a rash of vesicles on the face and body | Synonyms: chickenpox |
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| varicocele | (noun) dilatation of the veins associated with the spermatic cord in the testes | - |
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| varicosis | (noun) pathological condition of being varicose or having varicose veins | - |
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| varicosity | (noun) varix or varicose condition in which a vein is swollen and tortuous | - |
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| variedness | (noun) characterized by variation | - |
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| variegation | (noun) the act of introducing variety (especially in investments or in the variety of goods and services offered) | Synonyms: diversification |
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| (noun) variability in coloration | - |
| varietal | (noun) a wine made principally from one grape and carrying the name of that grape | Synonyms: varietal wine |
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| variety | (noun) noticeable heterogeneity | Synonyms: diverseness, diversity, multifariousness |
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| (noun) a difference that is usually pleasant | Synonyms: change |
| (noun) a category of things distinguished by some common characteristic or quality | Synonyms: form, kind, sort |
| (noun) a show consisting of a series of short unrelated performances | Synonyms: variety show |
| (noun) (biology) a taxonomic category consisting of members of a species that differ from others of the same species in minor but heritable characteristics | - |
| (noun) a collection containing a variety of sorts of things | Synonyms: assortment, miscellanea, miscellany, mixed bag, mixture, motley, potpourri, salmagundi, smorgasbord |
| variola | (noun) a highly contagious viral disease characterized by fever and weakness and skin eruption with pustules that form scabs that slough off leaving scars | Synonyms: smallpox, variola major |
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| variolation | (noun) the obsolete process of inoculating a susceptible person with material taken from a vesicle of a person who has smallpox | Synonyms: variolization |
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| variolization | (noun) the obsolete process of inoculating a susceptible person with material taken from a vesicle of a person who has smallpox | Synonyms: variolation |
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| variometer | (noun) a measuring instrument for measuring variations in a magnetic field | - |
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| variorum | (noun) an edition containing various versions of a text or notes by various scholars or editors | Synonyms: variorum edition |
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| varix | (noun) abnormally enlarged or twisted blood vessel or lymphatic vessel | - |
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