Lexicon and Unabridged dictionary

Lexicon noun - A reference book giving information about the meanings, pronunciations, uses, and origins of words listed in alphabetical order.

Unabridged dictionary and lexicon are semantically related. In some cases you can replace phrase "Unabridged dictionary" with "Lexicon", this terms are similar.

Nearby Word: lexical

Unabridged dictionary noun - A dictionary that has not been shortened by the omitting terms or definitions; a comprehensive dictionary.

Lexicon and unabridged dictionary are semantically related. You can use "Lexicon" instead a noun phrase "Unabridged dictionary".