• Adjective

    resembling a circle; circular.
    (of the scale of a fish) smooth-edged, more or less circular in form, and having concentric striations.
    (of a fish) having such scales.
    Psychiatry . of or noting a personality type characterized by wide fluctuation in mood within the normal range.

    Noun

    a cycloid fish.
    Geometry . a curve generated by a point on the circumference of a circle that rolls, without slipping, on a straight line.

    tác giả


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