equal protection of the laws: a right guaranteed by the Fourteenth Amendment to the US Constitution and by the due-process clause of the Fifth Amendment
human right: (law) any basic right or freedom to which all human beings are entitled and in whose exercise a government may not interfere (including rights to life and liberty as well as freedom of thought and expression and equality before the law)
free radical: an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule that has lost an electron and will stabilize itself by stealing an electron from a nearby molecule