GEODE

Pronunciation (US): (GB):

Meaning:

(mineralogy) a hollow rock or nodule with the cavity usually lined with crystals

Classified under:

Nouns denoting natural objects (not man-made)

Hypernyms ("geode" is a kind of...):

nodule ((mineralogy) a small rounded lump of mineral substance (usually harder than the surrounding rock or sediment))

Domain category:

mineralogy (the branch of geology that studies minerals: their structure and properties and the ways of distinguishing them)