Question

. Reference books that contain words of similar meaning and opposite meaning are called A. encyclopedias. B. thesauruses. C. dictionaries. D. textbooks.

Answer 1

I believe it's B. Thesauruses.

Answer 2

The correct answer is B. Thesauruses

Dictionaries have word explanations while encyclopedias have detailed concept explanations. Textbooks don't have synonyms and antonyms.