How to pronounce variation in English

"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."

"Extent to which a thing varies; amount of departure from a position or state; amount or rate of change."

"Change of termination of words as in declension conjugation derivation etc."

"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."

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