13-Letter Nouns Containing OPA

Here's the list of all the 51 13-Letter Nouns Containing OPA in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Nouns (with Definitions and Examples)
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1. a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty
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13-Letter Nouns Containing OPA