say it: RAHYN-stohn
rhinestone is a noun meaning "an imitation diamond made from rock crystal or glass or paste". It carries one recorded sense.
an imitation diamond made from rock crystal or glass or paste
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for rhinestone 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.