Definition of "ovality" [ovality]

• A measurement of deviation from circularity of an oval or approximately elliptical shape. (noun)

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• "It is almost, if not totally, impossible to hermetically seal pottery containers due to the variations that occur in the neck diameter and shape (slight ovality)."
• "'I may mention that a study of defects in the vertical circle of a small Altazimuth formerly used by me, and an inspection of the operations in the instrument-maker's work-shop, have convinced me that the principal error to be feared in instruments of this class is ovality of the graduated limb; this cannot be eliminated by two microscopes, and such an instrument should never be fitted with two only."
• "On land in the US, Wireline Isolation Scanner* cement evaluation technology was deployed for XTO Energy and successfully identified salt encroachment, casing ovality, and a potentially catastrophic 7-in casing collapse in a well in the Rockies."