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We found 17 dictionaries with English definitions that include the word astronomical year: Click on the first link on a line below to go directly to a page where "astronomical year" is defined. General (14 matching dictionaries) astronomical year: American Heritage Dictionary of the English Language [home, info] astronomical year: Collins English Dictionary [home, info] astronomical year: Vocabulary.com [home, info] astronomical year: Wiktionary [home, info] astronomical year: The Wordsmyth English Dictionary-Thesaurus [home, info] astronomical year: Infoplease Dictionary [home, info] astronomical year: Dictionary.com [home, info] Astronomical year: Wikipedia, the Free Encyclopedia [home, info] astronomical year: Rhymezone [home, info] astronomical year: Free Dictionary [home, info] astronomical year: Mnemonic Dictionary [home, info] astronomical year: WordNet 1.7 Vocabulary Helper [home, info] astronomical year: LookWAYup Translating Dictionary/Thesaurus [home, info] astronomical year: Dictionary/thesaurus [home, info] Business (2 matching dictionaries) astronomical year: Legal dictionary [home, info] astronomical year: Financial dictionary [home, info] Computing (1 matching dictionary) astronomical year: Encyclopedia [home, info]

Quick definitions from WordNet (astronomical year) ▸ noun:  the time for the earth to make one revolution around the sun, measured between two vernal equinoxes