理論家,空談家
Theorist \The"o*rist\, n. [Cf. F. th['e]oriste.] One who forms theories; one given to theory and speculation; a speculatist. --Cowper. The greatest theoretists have given the preference to such a government as that which obtains in this kingdom. --Addison.
theorist n : someone who theorizes (especially in science or art) [syn: {theoretician}, {theorizer}, {theoriser}]