powellite
powellite · powellites
A tetragonal-dipyramidal mineral containing calcium, molybdenum, and oxygenA tetragonal-dipyramidal mineral containing calcium, molybdenum, and oxygen.
Meaning
1 senses(countable, uncountable)A tetragonal-dipyramidal mineral containing calcium, molybdenum, and oxygen.
Origin
Named after American geologist John Wesley Powell (1834–1902), + -ite.Named after American geologist John Wesley Powell (1834–1902), + -ite.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: powellites| Singular | powellite |
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regular
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable
See also
neighbours in the dictionaryDictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.