variational

[vair-ee-ey-shuhn]

var·i·a·tion

[vair-ee-ey-shuhn]
noun
1.
the act, process, or accident of varying in condition, character, or degree: Prices are subject to variation.
2.
an instance of this: There is a variation in the quality of fabrics in this shipment.
3.
amount, rate, extent, or degree of change: a temperature variation of 40° in a particular climate.
4.
a different form of something; variant.
5.
Music.
a.
the transformation of a melody or theme with changes or elaborations in harmony, rhythm, and melody.
b.
a varied form of a melody or theme, especially one of a series of such forms developing the capacities of the subject.
EXPAND
6.
Ballet. a solo dance, especially one forming a section of a pas de deux.
7.
Astronomy. any deviation from the mean orbit of a heavenly body, especially of a planetary or satellite orbit.
8.
Also called magnetic declination, magnetic variation. Navigation. the angle between the geographic and the magnetic meridian at a given point, expressed in plus degrees east or minus degrees west of true north. Compare deviation (def. 4).
9.
Biology. a difference or deviation in structure or character from others of the same species or group.
COLLAPSE

Origin:
1350–1400; < Latin variātiōn- (stem of variātiō), equivalent to variāt(us) (see variate) + -iōn- -ion; replacing Middle English variacioun < Anglo-French < Latin, as above

var·i·a·tion·al, var·i·a·tive [vair-ee-ey-tiv] , adjective
var·i·a·tion·al·ly, var·i·a·tive·ly, adverb
in·ter·va·ri·a·tion, noun
non·var·i·a·tion, noun
o·ver·var·i·a·tion, noun
EXPAND
pre·var·i·a·tion, noun
self-var·i·a·tion, noun
COLLAPSE


1. mutation, alteration, modification; deviation, divergence, difference.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Variational is always a great word to know.
So is quincunx. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
Collins
World English Dictionary
variation (ˌvɛərɪˈeɪʃən)
 
n
1.  the act, process, condition, or result of changing or varying; diversity
2.  an instance of varying or the amount, rate, or degree of such change
3.  something that differs from a standard or convention
4.  music
 a.  a repetition of a musical theme in which the rhythm, harmony, or melody is altered or embellished
 b.  (as modifier): variation form
5.  biology
 a.  a marked deviation from the typical form or function
 b.  a characteristic or an organism showing this deviation
6.  astronomy any change in or deviation from the mean motion or orbit of a planet, satellite, etc, esp a perturbation of the moon
7.  another word for magnetic declination
8.  ballet a solo dance
9.  linguistics any form of morphophonemic change, such as one involved in inflection, conjugation, or vowel mutation
 
vari'ational
 
adj
 
vari'ationally
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
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