kvarco

== Esperanto == === Etymology === From Russian кварц (kvarc), English quartz, German Quarz, etc. === Pronunciation === IPA(key): /ˈkvart͡so/ Rhymes: -art͡so Syllabification: kvar‧co === Noun === kvarco (accusative singular kvarcon, plural kvarcoj, accusative plural kvarcojn) (mineralogy) quartz