plural of information-theoretic death

someone who is expert in the theory of a particular science or art / a theorist

plural of theoretician

(somewhat rare) A number theorist.

plural of group theoretician

(rare) A group theorist.

plural of number theoretician

Obsolete form of theoretic.

The quality of being theoretical.

Synonym of theoretize (“form a theoretical model of”) / (rare) To make (something) theoretical, to treat (something) as if it were (merely) theoretical.