(relativity) A theory that (neglecting the effects of gravity) reconciles the principle of relativity with the observation that the speed of light is constant in all frames of reference.

(slang) Ketamine, used as a hallucinogen.

A breakfast cereal made primarily from rice and wheat.

(idiomatic) Needs for special care, services or accommodations for disabilities.

(idiomatic) Something ordinary or run-of-the-mill. / (idiomatic) Nothing worth discussing; nothing that the speaker wants to mention.

(law) Damages that can be quantified precisely, including such things as plaintiff's medical expenses, lost wages, and similar out-of-pocket costs (as contrasted with general damages, such as pain and suffering, which must be estimated).

plural of handyman's special

A verdict in which specific facts are found and put on the record.

plural of special function

Any of various specific mathematical functions that have more or less established names and notations due to their importance.