One who expounds, represents or advocates.
The part of a floating-point number that represents its exponent value.
The number by which a value (called the base) is said to be raised to a power in exponentiation: for example, the 3 in 2³=8.
A manifestation of a morphosyntactic property.
A person, principle, or thing which acts as a guide; a guiding light; also, something which attracts much attention; a centre of attention.
The star visible to the naked eye which was in the past, is now, or will be in the future nearest a celestial pole of a planet.