say it: sem-ee-PRESH-uhs
semiprecious is an adjective meaning "used of gemstones having less commercial value than precious stones". It carries one recorded sense.
used of gemstones having less commercial value than precious stones
“such semiprecious stones as amethyst, garnet, jade, and tourmaline”
Definitions, synonyms and semantic relations for semiprecious come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.