Definition of pyroxenoid in English:

pyroxenoid

Pronunciation /pʌɪˈrɒksənɔɪd/

noun

Mineralogy
  • Any of a small group of triclinic silicates formerly classed as pyroxenes but now differentiated from them on structural grounds, including rhodonite, wollastonite, and pectolite.

Origin

1930s. From pyroxene + -oid.