variation > define

noun

• An instance of change; the rate or magnitude of change.
  • synonyms: fluctuation
• An activity that varies from a norm or standard.
  • usage: "any variation in his routine was immediately reported"
  • synonyms: variance
• A repetition of a musical theme in which it is modified or embellished.
• Something a little different from others of the same type.
  • usage: "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"
  • synonyms: version, variant, edition
• An artifact that deviates from a norm or standard.
  • usage: "he patented a variation on the sandal"
• The angle (at a particular location) between magnetic north and true north.
  • synonyms: magnetic declination, magnetic variation
• The process of varying or being varied.
• Astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon. ()
• Biology) an organism that has characteristics resulting from chromosomal alteration.
  • synonyms: mutant, mutation, sport
• Ballet) a solo dance or dance figure.
  • synonyms: pas seul
• The act of changing or altering something slightly but noticeably from the norm or standard.
  • usage: "who is responsible for these variations in taxation"

• (n.) Extent to which a thing varies; amount of departure from a position or state; amount or rate of change.
• (n.) Change of termination of words, as in declension, conjugation, derivation, etc.
• (n.) 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.
• (n.) One of the different arrangements which can be made of any number of quantities taking a certain number of them together.
• (n.) 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.

Variation is a change to any part of a loan contract.