Term: orthicon: a now obsolete picture pickup tube in a television camera; electrons emitted from a photoemissive surface in proportion to the intensity of the incident light are focused onto the target causing secondary emission of electrons
Broader: tube: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope | Unrelated: cardamom: rhizomatous herb of India having aromatic seeds used as seasoning
Broader: tube: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope | Unrelated: hydrosphere: the watery layer of the earth's surface; includes water vapor
Broader: tube: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope | Unrelated: reinforcing stimulus: (psychology) a stimulus that strengthens or weakens the behavior that produced it
Broader: tube: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope | Unrelated: checkout: a counter in a supermarket where you pay for your purchases
Broader: tube: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope | Unrelated: three-cornered leek: European leek naturalized in Great Britain; leaves are triangular
Broader: tube: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope | Unrelated: detribalization: the decline or termination of tribal organization
Broader: tube: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope | Unrelated: illusion: something many people believe that is false
Broader: tube: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope | Unrelated: afterdamp: a toxic mixture of gases (including carbon dioxide and carbon monoxide and nitrogen) after an explosion of firedamp in a mine
Broader: tube: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope | Unrelated: graham cracker: semisweet whole-wheat cracker
Broader: tube: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope | Unrelated: wedding anniversary: the anniversary of the day on which you were married (or the celebration of it)