English Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 161 dialect (n) Forms of speech collectively that are peculiar to the people of a particular district dialectician (n) A logician dialogue (n) A formal conversation in which two or more take part diaphanous (adj) Transparent diatomic (adj) Containing only two atoms diatribe (n) A bitter or malicious criticism dictum (n) A positive utterance didactic (adj) Pertaining to teaching