13-letter words containing u, n, r, i, b
- unserviceable — not suitable to be used
- untarnishable — to dull the luster of (a metallic surface), especially by oxidation; discolor.
- untremblingly — not tremblingly; in an untrembling manner; without trembling
- unvitrifiable — not able to be vitrified
- unworkability — the quality or state of being unworkable
- urban studies — the various disciplines associated with the study of urban areas, including urban planning, urban economics and urban architecture
- visual binary — a binary star having components that are sufficiently separated to be resolved by a telescope.
- vulnerability — capable of or susceptible to being wounded or hurt, as by a weapon: a vulnerable part of the body.
- water turbine — a turbine driven by the momentum or reactive force of water.
- yekaterinburg — Ekaterinburg.