Definition of nepheline-syenite in English:

nepheline-syenite

Line breaks: nepheline-syenite

noun

[mass noun] Geology
A plutonic rock resembling syenite but containing nepheline and lacking quartz.

Definition of nepheline-syenite in:

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Word of the day humoresque
Pronunciation: ˌhjuːməˈrɛsk
noun
a short, lively piece of music