The Open Dictionary

reference book

noun

UK/ˈref.ᵊr.ᵊns ˌbʊk/
US/ˈref.ɚ.ᵊns ˌbʊk/

Definitions of reference book noun

  1. Countable

    A book containing facts, such as a dictionary or encyclopedia, consulted for specific information.

    • This reference book lists all important historical events in detail.

    • The library's reference section offers resources for various academic subjects.

    • He often consults multiple reference books when writing his thesis.