We found 22 dictionaries that define the word igneous rock:

General (9 matching dictionaries)

1. igneous rock: Merriam-Webster
2. igneous rock: Vocabulary.com
3. igneous rock: Wiktionary
4. igneous rock: Dictionary.com
5. Igneous rock: Wikipedia, the Free Encyclopedia
6. igneous rock: Rhymezone
7. igneous rock: FreeDictionary.org
8. igneous rock: Mnemonic Dictionary
9. igneous rock: TheFreeDictionary.com

Art (1 matching dictionary)

10. igneous rock: ArtLex Lexicon of Visual Art Terminology

Business (1 matching dictionary)

11. igneous rock: Legal dictionary

Computing (1 matching dictionary)

12. igneous rock: Encyclopedia

Medicine (1 matching dictionary)

13. igneous rock: Medical dictionary

Science (6 matching dictionaries)

14. Archaeology Wordsmith (No longer online)
15. Field Trip to Mars (No longer online)
16. Illustrated Glossary of Geologic Terms (No longer online)
17. igneous rock: Dictionary of Geology
18. igneous rock: Natural History Terms
19. IGNEOUS ROCK: Zoom Astronomy Glossary

Tech (3 matching dictionaries)

20. Igneous rock: Gems and Precious Stones
21. igneous rock: Canadian Soil Information System
22. Lake and Water Word Glossary (No longer online)

(Note: See igneous_rocks as well.)

Definitions from Wiktionary (igneous rock) ▸ noun:  (geology) One of the major groups of rock that makes up the crust of the Earth; formed by the cooling of molten rock, either below the surface (intrusive) or on the surface (extrusive). Similar: metamorphic rock, sedimentary rock, intrusive, rock, magmatic, magmatism, latite, orthogneiss, eruptive, basalt, more... Opposite: sedimentary, metamorphic Types: granite, basalt, pumice, obsidian, andesite, diorite, peridotite, scoria, more... Phrases: intrusive igneous rock, igneous plutonic rock, igneous rock source, igneous rock maker, common igneous rock, more... Adjectives: sedimentary, magmatic, extrusive, phreatomagmatic, anaclastic, hypabyssal, strombolian, clastic, volcanic, intrusive, siliciclastic ▸ Words similar to igneous rock ▸ Usage examples for igneous rock ▸ Idioms related to igneous rock ▸ Wikipedia articles (New!) ▸ Words that often appear near igneous rock ▸ Rhymes of igneous rock ▸ Invented words related to igneous rock