quartzless en · ADJ
Etymology
Etymology tree English quartz Proto-Indo-European *lewh₁- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Middle English -les English -less English quartzless From quartz + -less.
Meanings
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(not-comparable) Lacking quartz.
The majority of the Diorites are quartzless; but some contain Quartz, and are then termed Quartz-diorites.
1885, Charles Lyell, The Student's Elements of Geology: