| ABSTENTIONISMS | • abstentionisms n. Plural of abstentionism. • ABSTENTIONISM n. the policy of not using one's vote, esp. in a political election. |
| BITUMINISATION | • bituminisation n. Alternative form of bituminization. • BITUMINISATION n. the process of bituminising, also BITUMINIZATION. |
| BRAINSTORMINGS | • brainstormings n. Plural of brainstorming. • BRAINSTORMING n. the practice of thrashing out a problem, developing a strategy, etc. by intensive group discussion in which ideas are put forward in an extempore fashion. |
| CONTRABANDISMS | • CONTRABANDISM n. trading in contraband goods. |
| FUNAMBULATIONS | • funambulations n. Plural of funambulation. • FUNAMBULATION n. tightrope-walking. |
| INDEMONSTRABLE | • indemonstrable adj. Not able to be demonstrated or proved; unprovable. • INDEMONSTRABLE adj. incapable of being demonstrated. |
| INDEMONSTRABLY | • indemonstrably adv. In a way that cannot be demonstrated. • INDEMONSTRABLE adv. incapable of being demonstrated. |
| INSURMOUNTABLE | • insurmountable adj. Incapable of being passed over, surmounted, or overcome; insuperable. • INSURMOUNTABLE adj. incapable of being surmounted. |
| INSURMOUNTABLY | • insurmountably adv. In an insurmountable manner. • insurmountably adv. To an insurmountable extent. • INSURMOUNTABLE adv. incapable of being surmounted. |
| MOUNTAINBOARDS | • mountainboards n. Plural of mountainboard. • MOUNTAINBOARD n. a form of all-terrain skateboard derived from a snowboard. |
| MOUNTEBANKINGS | • MOUNTEBANKING n. acting as a mountebank. |
| MOUNTEBANKISMS | • mountebankisms n. Plural of mountebankism. • MOUNTEBANKISM n. the practice of a mountebank. |
| RECOMBINATIONS | • recombinations n. Plural of recombination. • RECOMBINATION n. the formation by the processes of crossing over and independent assortment of new combinations of genes in progeny that did not occur in the parents. |
| SOMNAMBULATING | • somnambulating v. Present participle of somnambulate. • SOMNAMBULATE v. to walk when asleep. |
| SOMNAMBULATION | • somnambulation n. (Rare) The phenomenon of sleepwalking. • somnambulation n. (Rare) An instance of sleepwalking. • SOMNAMBULATION n. sleepwalking. |
| TRANSABDOMINAL | • transabdominal adj. (Anatomy, surgery) Across or through the abdominal wall. |
| UNDEMONSTRABLE | • undemonstrable adj. Not demonstrable. • UNDEMONSTRABLE adj. not demonstrable. |
| UNMENTIONABLES | • unmentionables n. Plural of unmentionable. • unmentionables n. (Plural only) undergarments, underwear, drawers. • unmentionables n. (Plural only) genitals. |
| UNSURMOUNTABLE | • unsurmountable adj. (Archaic, rare) insurmountable. • UNSURMOUNTABLE adj. not surmountable. |