noun Download 🔗Share A device that controls the flow of a gas or fluid through a pipe. Examples : "The plumber replaced the leaky valves under the sink to stop the water from dripping. " device machine technical utility industry Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A device that admits fuel and air into the cylinder of an internal combustion engine, or one that allows combustion gases to exit. Examples : "The mechanic checked the engine's valves to make sure they were opening and closing correctly, allowing the fuel and air to enter and the exhaust to escape. " device machine technical part fuel industry vehicle Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share One or more membranous partitions, flaps, or folds, which permit the passage of the contents of a vessel or cavity in one direction, but stop or control the flow in the opposite direction Examples : "the ileocolic, mitral, and semilunar valves" part physiology anatomy medicine device machine technical system function Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share One of the leaves of a folding-door, or a window-sash. Examples : "The janitor polished the valves of the large wooden doors in the school auditorium. " architecture part building Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A vacuum tube. Examples : "My grandfather used to fix old radios that used valves instead of transistors. " electronics device technology machine Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share One of the pieces into which certain fruits naturally separate when they dehisce. Examples : "After the pea pod dried out, the valves separated, scattering the peas. " fruit part plant Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A small portion of certain anthers, which opens like a trapdoor to allow the pollen to escape, such as in the barberry. Examples : ""Examining the barberry flower under a microscope, the student observed the tiny valves on the anthers opening to release the pollen." " plant part biology nature Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share One of the pieces or divisions of bivalve or multivalve shells. Examples : "The child carefully separated the two valves of the clam shell he found on the beach. " biology animal nature part Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share One of the two similar portions of the shell of a diatom. Examples : "Under the microscope, we could see the intricate patterns etched onto the two valves of the diatom's glass-like shell. " biology organism microorganism part nature Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To control (flow) by means of a valve. Examples : "The gardener valves the water flow to the rose bushes, ensuring they get just the right amount. " technical machine industry utility device function Chat with AIVocabulary GamePractice Reading