| ASTROBIOLOGIST | • astrobiologist n. A biologist whose speciality is astrobiology. • ASTROBIOLOGIST n. one who studies astrobiology. |
| BOTTOMLESSNESS | • bottomlessness n. The state or quality of being bottomless. • BOTTOMLESSNESS n. the state of being bottomless. |
| DIABETOLOGISTS | • diabetologists n. Plural of diabetologist. • DIABETOLOGIST n. a doctor specializing in the study and treatment of diabetes and the care of diabetics. |
| ETHNOBOTANISTS | • ethnobotanists n. Plural of ethnobotanist. • ETHNOBOTANIST n. a student of ethnobotany. |
| OBSTRUCTIONISM | • obstructionism n. A deliberate policy of obstructing something, especially a political process or body. • OBSTRUCTIONISM n. deliberate interference with the progress or business esp. of a legislative body. |
| OBSTRUCTIONIST | • obstructionist n. Someone who systematically obstructs the actions of others. • obstructionist adj. Pertaining to obstructionism. • obstructionist adj. Obstructionistic. |
| PALEOBOTANISTS | • paleobotanists n. Plural of paleobotanist. • PALEOBOTANIST n. a student of paleobotany. |
| PHYTOBENTHOSES | • PHYTOBENTHOS n. plants living at the bottom of water collectively. |
| SORBITISATIONS | • sorbitisations n. Plural of sorbitisation. • SORBITISATION n. the process of sorbitising, also SORBITIZATION. |
| SORBITIZATIONS | • sorbitizations n. Plural of sorbitization. • SORBITIZATION n. the process of sorbitizing, also SORBITISATION. |
| STROBILISATION | • STROBILISATION n. production or reproduction by strobilae, also STROBILIZATION. |
| SUBCONTRACTORS | • subcontractors n. Plural of subcontractor. • SUBCONTRACTOR n. an individual or business firm contracting to perform part or all of another's contract. |
| TOOTHBRUSHINGS | • toothbrushings n. Plural of toothbrushing. • TOOTHBRUSHING n. the action of using a toothbrush to clean teeth. |