geode noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of geode noun from the Oxford Advanced American Dictionary

geode

noun

NAmE//ˈdʒioʊd//

(geology)

a small hole in rock that has crystals around the inside

Questions about grammar and vocabulary?

Find the answers with Practical English Usage online, your indispensable guide to problems in English.

See geode in the Oxford Advanced Learner's Dictionary

Check pronunciation: geode