Word.ws English Dictionary

opening books

opening books is the plural of opening book.

Meaning of opening book

Noun

opening book (plural opening books)

  1. (literally) A book describing chess openings or giving general opening advice.
  2. (chess engines) A database of openings given to a chess engine to play, either to improve the strength of the engine, to make the engine more interesting to play against, or to create a diversity of games in a chess engine tournament.

Questions about opening books

What is opening books the plural of?
Opening books is the plural of opening book.

Words near opening books in the dictionary

  1. opening argument
  2. opening arguments
  3. opening batsman
  4. opening batsmen
  5. opening book
  6. opening books
  7. opening ceremonies
  8. opening ceremony
  9. opening credits
  10. opening doors
  11. opening fire

Source and license

Adapted from Wiktionary: opening books (page history and authors); opening book (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “opening books.” Word.ws, https://word.ws/opening_books. Based on Wiktionary, CC BY-SA 4.0.