13-letter words containing b, i, t, e, r, u
- unretrievable — to recover or regain: to retrieve the stray ball.
- 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
- urban studies — the various disciplines associated with the study of urban areas, including urban planning, urban economics and urban architecture
- vitreous body — a transparent gelatinous substance, permeated by fine fibrils, that fills the interior of the eyeball between the lens and the retina
- vulnerability — capable of or susceptible to being wounded or hurt, as by a weapon: a vulnerable part of the body.
- water biscuit — a crackerlike biscuit prepared from flour and water.
- water turbine — a turbine driven by the momentum or reactive force of water.
- yekaterinburg — Ekaterinburg.