15-letter words containing m, o, n, t, a, r
- underestimation — to estimate at too low a value, rate, or the like.
- uninformatively — in an uninformative manner
- universal motor — a series-wound motor, of one-half horsepower or less, using alternating or direct current.
- unsportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- urban migration — the process of people moving from rural areas to cities
- ust-kamenogorsk — a city in E Kazakhstan, on the Irtysh River.
- vacuum concrete — concrete from which excess moisture and air are sucked to quicken hardening and increase strength.
- victor emmanuel — 1869–1947, king of Italy 1900–46.
- wreathed column — a column having a twisted or spiral form.
- x-ray astronomy — the branch of astronomy that studies celestial objects by means of the x-rays emitted by them.