| ANTIFILIBUSTERS | • ANTIFILIBUSTER n. a person or method in opposition to filibustering. |
| BUTTERFLYFISHES | • butterflyfishes n. Plural of butterflyfish. • butterfly␣fishes n. Plural of butterfly fish. • BUTTERFLYFISH n. any tropical marine percoid fish of the genera Chaetodon, Chelmon, etc., that has a deep flattened brightly coloured or strikingly marked body. |
| COUNTERFACTUALS | • counterfactuals n. Plural of counterfactual. • COUNTERFACTUAL n. something contrary to fact. |
| DISTRUSTFULNESS | • distrustfulness n. The state or quality of being distrustful or doubtful; distrust; mistrust. • DISTRUSTFUL n. having or showing distrust. |
| FLIRTATIOUSNESS | • flirtatiousness n. The quality of being flirtatious. • FLIRTATIOUS n. given to flirting. |
| FLORICULTURISTS | • floriculturists n. Plural of floriculturist. • FLORICULTURIST n. one who practises floriculture. |
| FUTILITARIANISM | • futilitarianism n. The belief that all human activity is futile. • FUTILITARIANISM n. the belief that human striving is futile. |
| INFRASTRUCTURAL | • infrastructural adj. Of, relating to or originating in infrastructure. • INFRASTRUCTURAL adj. of or like an infrastructure. |
| MISTRUSTFULNESS | • mistrustfulness n. Quality of being mistrustful. • MISTRUSTFUL n. not trusting. |
| QUARTERFINALIST | • quarterfinalist n. A person or team that takes part in a quarterfinal. • quarter-finalist n. Somebody or something that appears in a quarter-final of a competition. • QUARTERFINALIST n. one who reaches a quarterfinal. |
| TENTACULIFEROUS | • tentaculiferous adj. (Zoology) Producing or bearing tentacles. • TENTACULIFEROUS adj. having tentacles. |
| ULTRACENTRIFUGE | • ultracentrifuge n. A high-speed centrifuge, especially one free from convection that is used to separate colloidal particles. • ultracentrifuge v. To submit a material to ultracentrifugation. • ULTRACENTRIFUGE v. to subject to the action of an ultracentrifuge, a very high-speed type of centrifuge. |
| ULTRAFASTIDIOUS | • ultrafastidious adj. Extremely fastidious. • ULTRAFASTIDIOUS adj. extremely fastidious. |
| ULTRAFILTRATION | • ultrafiltration n. Filtration through a semipermeable membrane that only allows small molecules through. • ULTRAFILTRATION n. filtration through a medium (as a semipermeable capillary wall) which allows small molecules (as of water) to pass but holds back larger ones (as of protein). |
| UNPROFITABILITY | • unprofitability n. The state or condition of being unprofitable. • UNPROFITABILITY n. the quality of being unprofitable. |