12-letter words containing b, m, e, s, o
- steam-boiler — a receptacle in which water is boiled to generate steam.
- sub-mediocre — of only ordinary or moderate quality; neither good nor bad; barely adequate: The car gets only mediocre mileage, but it's fun to drive. Synonyms: undistinguished, commonplace, pedestrian, everyday; run-of-the-mill. Antonyms: extraordinary, superior, uncommon, incomparable.
- sub-mortgage — a conveyance of an interest in property as security for the repayment of money borrowed.
- subcommittee — a secondary committee appointed out of a main committee.
- subcomponent — a constituent part; element; ingredient.
- submolecular — of or relating to or caused by molecules: molecular structure.
- suboperculum — a bone in fishes behind the operculum or gill covering
- surmountable — to mount upon; get on the top of; mount upon and cross over: to surmount a hill.
- thermostable — capable of being subjected to a moderate degree of heat without loss of characteristic properties, as certain toxins and enzymes (opposed to thermolabile).
- tombstone ad — a boxed advertisement without artwork or illustrations, especially one announcing an issue of a stock or bond.
- unburdensome — oppressively heavy; onerous.
- uncomposable — not fit for composition
- womb-leasing — bearing a child on behalf of a couple unable to have a child; surrogacy