variable
1vari·able
adj \ˈver-ē-ə-bəl, ˈvar-\Definition of VARIABLE
1
: able or apt to vary : subject to variation or changes <allergy is perhaps the most variable of all diseases—H. G. Rapaport & Shirley Linde>
2
: characterized by variations
3
: not true to type : aberrant—used of a biological group or character
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