Catechin :: Catechin (n.) One of the tannic acids, extracted from catechu as a white, crystalline substance; -- called also catechuic acid, and catechuin..
Catechise :: Catechise (v. t.) To instruct by asking questions, receiving answers, and offering explanations and corrections, -- esp. in regard to points of religious faith..
Catechise :: Catechise (v. t.) To question or interrogate; to examine or try by questions; -- sometimes with a view to reproof, by eliciting from a person answers which condemn his own conduct..
Catechism :: Catechism (n.) A form of instruction by means of questions and answers.
Catechism :: Catechism (n.) A book containing a summary of principles, especially of religious doctrine, reduced to the form of questions and answers..
Catechismal :: Catechismal (a.) Of or pertaining to a catechism, having the form of questions and answers; catechetical..
Catechist :: Catechist (n.) One who instructs by question and answer, especially in religions matters..
Pyrocatechin :: Pyrocatechin (n.) A white crystalline substance, C6H4(OH)2, of the phenol series, found in various plants; -- so called because first obtained by distillation of gum catechu. Called also catechol, oxyphenol. etc..