ˈ ̷ ̷| ̷ ̷- noun
slang chiefly Britain : a person engaged in scientific especially secret research ; also : an expert adviser or aide : brain truster
ˈ ̷ ̷| ̷ ̷- noun
slang chiefly Britain : a person engaged in scientific especially secret research ; also : an expert adviser or aide : brain truster
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012