Princeton's WordNet

1. variation, fluctuation(noun)

   an instance of change; the rate or magnitude of change

2. variation, variance(noun)

   an activity that varies from a norm or standard

   "any variation in his routine was immediately reported"

3. variation(noun)

   a repetition of a musical theme in which it is modified or embellished

4. version, variant, variation, edition(noun)

   something a little different from others of the same type

   "an experimental version of the night fighter"; "a variant of the same word"; "an emery wheel is the modern variation of a grindstone"; "the boy is a younger edition of his father"

5. variation(noun)

   an artifact that deviates from a norm or standard

   "he patented a variation on the sandal"

6. magnetic declination, magnetic variation, variation(noun)

   the angle (at a particular location) between magnetic north and true north

7. variation(noun)

   the process of varying or being varied

8. variation(noun)

   (astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon)

9. mutant, mutation, variation, sport(noun)

   (biology) an organism that has characteristics resulting from chromosomal alteration

10. pas seul, variation(noun)

    (ballet) a solo dance or dance figure

11. variation(noun)

    the act of changing or altering something slightly but noticeably from the norm or standard

    "who is responsible for these variations in taxation?"

Kernerman English Learner's Dictionary

1. variation(noun)ˌvɛər iˈeɪ ʃən

   a change in sth

   some variation in the quality of the paint; the variations of color

2. variationˌvɛər iˈeɪ ʃən

   sth that has been changed from the original

   New Wave music was a variation of punk.

Wiktionary

1. variation(Noun)

   The act or state of varying; a partial change in the form, position, state, or qualities of a thing; modification; alternation; mutation; diversity; deviation; as, a variation of color in different lights; a variation in size; variation of language.

2. variation(Noun)

   A related but distinct thing.

3. variation(Noun)

   The angular difference at the vessel between the direction of true north and magnetic north. Also called magnetic declination.

4. variation(Noun)

   a line of play that differs from the original

5. variation(Noun)

   a technique where material is repeated with alterations to the melody, harmony, rhythm, timbre, texture, counterpoint or orchestration.

Origin: From variatio.

Webster Dictionary

1. Variation(noun)

   the act of varying; a partial change in the form, position, state, or qualities of a thing; modification; alternation; mutation; diversity; deviation; as, a variation of color in different lights; a variation in size; variation of language

2. Variation(noun)

   extent to which a thing varies; amount of departure from a position or state; amount or rate of change

3. Variation(noun)

   change of termination of words, as in declension, conjugation, derivation, etc

4. Variation(noun)

   repetition of a theme or melody with fanciful embellishments or modifications, in time, tune, or harmony, or sometimes change of key; the presentation of a musical thought in new and varied aspects, yet so that the essential features of the original shall still preserve their identity

5. Variation(noun)

   one of the different arrangements which can be made of any number of quantities taking a certain number of them together

Dictionary of Military and Associated Terms

1. variation

   The angular difference between true and magnetic north. See also deviation.

• uiterstes, variasieAfrikaans
• تَغَيُّر، تَبَدُّلArabic
• отклонениеBulgarian
• variaçãoPortuguese (BR)
• změnaCzech
• die VeränderungGerman
• variation; svingningDanish
• μεταβολή, απόκλισηGreek
• variaciónSpanish
• erinevusEstonian
• میزان تغییرFarsi
• vaihteluFinnish
• variationFrench
• מִידַת הַשוֹנִיHebrew
• विविधताHindi
• varijacija, mijenjanjeCroatian
• változatHungarian
• variasiIndonesian
• (mis)munur, sveiflaIcelandic
• variazioneItalian
• 変化Japanese
• 변화Korean
• svyravimasLithuanian
• maiņa; svārstībasLatvian
• berubah-ubahMalay
• variatieDutch
• svingning, variasjonNorwegian
• zmiana, odchyleniePolish
• variaçãoPortuguese
• variaţieRomanian
• колебаниеRussian
• zmenaSlovak
• razlikaSlovenian
• varijacijaSerbian
• variationSwedish
• การเปลี่ยนแปลงThai
• değişiklik, farkTurkish
• 變化Chinese (Trad.)
• зміна; коливанняUkrainian
• فرقUrdu
• sự thay đổiVietnamese
• 变化Chinese (Simp.)