A genius; a very smart person.
One mole of photons, regardless of frequency, as used to measure irradiance.
A shape that can be repeated to cover a plane with a nonrepeating pattern.
A person who is considered eminent because of their achievements.
A person of learning, especially one who is versed in literature or science.
A person with significant mental disabilities who is very gifted in one area of activity, such as playing the piano or mental arithmetic.