Term: magnetron: a diode vacuum tube in which the flow of electrons from a central cathode to a cylindrical anode is controlled by crossed magnetic and electric fields; used mainly in microwave oscillators
Candidate hypernym: instrumentality: an artifact (or system of artifacts) that is instrumental in accomplishing some end → 1
Candidate hypernym: amphibolite: a metamorphic rock composed chiefly of amphibole and plagioclase → 0
Candidate hypernym: incandescence: light from heat → 0
Candidate hypernym: pyrus: fruit trees native to the Old World: pears → 0
Candidate hypernym: fumaric acid: a colorless crystalline acid with a fruity taste; used in making polyester resins → 0
Candidate hypernym: marking: a pattern of marks → 0
Candidate hypernym: temple orange: large sweet easily-peeled Florida fruit with deep orange rind → 0
Candidate hypernym: recognition: an acceptance (as of a claim) as true and valid → 0
Candidate hypernym: oxbow lake: a crescent-shaped lake (often temporary) that is formed when a meander of a river is cut off from the main channel → 0
Candidate hypernym: filing: a fragment rubbed off by the use of a file → 0
Candidate hypernym: mohave: a member of the North American Indian people formerly living in the Colorado river valley in Arizona and Nevada and California → 0