a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
(chem) a shallow dishlike vessel filled with a liquid, usually water, and used in collecting gases by displacement of liquid from a filled jar held with its open end under the surface of the liquid
- Pneumatic tyre
noun 1. a rubber tyre filled with air under pressure, used esp on motor vehicles
pneumatization pneu·ma·ti·za·tion (nōō’mə-tĭ-zā’shən, nyōō’-) n. The development of air cells or cavities, such as those of the mastoid and ethmoidal bones.
1. a combining form meaning “air,” “breath,” “spirit,” used in the formation of compound words: pneumatology; pneumatophore. combining form 1. air; breath or breathing; spirit: pneumatophore, pneumatology before vowels pneumat-, word-forming element meaning “wind, air, spirit, presence of air,” from comb. form of Greek pneuma (genitive pneumatos); see pneuma. pneumato- or pneumat- pref.
pneumatocardia pneu·ma·to·car·di·a (nōō’mə-tō-kär’dē-ə, nyōō’-) n. Air bubbles or gas in the blood of the heart.