trójścian

== Polish == === Etymology === From trój- +‎ ściana. === Pronunciation === IPA(key): /ˈtruj.ɕt͡ɕan/ Rhymes: -ujɕt͡ɕan Syllabification: trój‧ścian === Noun === trójścian m inan (geometry) trihedron ==== Declension ==== === Further reading === trójścian in Polish dictionaries at PWN