14-letter words containing a, m, b, r, o
- unsurmountable — to mount upon; get on the top of; mount upon and cross over: to surmount a hill.
- valve trombone — a trombone equipped with three or four valves in place of a slide.
- vibratory mill — A vibratory mill is a machine for grinding something, in which the feed and grinding medium are between two surfaces which vibrate against each other.