Mburuzvira (Roundness, evenness. slipperiness of shape) vinotaura chiro chine rukanda kana uso hwakakwenenzverwa pasina kumanzika kana chimwe chaka chachamara kana kuchanjamara. Mabvivi, man'aran'azhu kana bvivi (1. Roughness of a surface, 2. Rough marks). Ukapara dehwe kunosara mabvivi. Muviri wayo wakangoita mburuzvira: apa kureva its body is smooth shaped, without protruding joints. Kushanda chiro kuti chive mburuzvira kunonzi kukwenenzvera, icho chiro chacho chonzi chakakwenenzveka kana kutsvenenzveka. VaZigula vanoti kudeleka (be smooth). Mamwe mazwi: -deleka (adj. smooth). Kudelesa (v. make smooth). VaGulu vanoti ku-paluka (rough) vachireva kuparuka.