exponent(redirected from exponant)
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In mathematics, the number that indicates the power to which another number is to be raised. It is written as a superscript (e.g., 102 or x2 indicates that 10 and x are to be squared, or multiplied by themselves). The exponent can have any numerical value and may be positive or negative; it does not have to be a whole number.
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exponenta number or quantity placed as a superscript to the right of another number or quantity, indicating how many times the number is to be multiplied by itself. For example, 106.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005