Term: cathode ray: a beam of electrons emitted by the cathode of an electrical discharge tube
Broader: beam: a group of nearly parallel lines of electromagnetic radiation | Unrelated: theme song: a melody that recurs and comes to represent a musical play or movie
Broader: beam: a group of nearly parallel lines of electromagnetic radiation | Unrelated: ordainer: a cleric who ordains; a cleric who admits someone to holy orders
Broader: beam: a group of nearly parallel lines of electromagnetic radiation | Unrelated: trench: a long steep-sided depression in the ocean floor
Broader: beam: a group of nearly parallel lines of electromagnetic radiation | Unrelated: seal: fastener that provides a tight and perfect closure
Broader: beam: a group of nearly parallel lines of electromagnetic radiation | Unrelated: train fare: the fare charged for traveling by train
Broader: beam: a group of nearly parallel lines of electromagnetic radiation | Unrelated: lexicostatistics: a statistical technique used in glottochronology; used to estimate how long ago different languages evolved from a common source language
Broader: beam: a group of nearly parallel lines of electromagnetic radiation | Unrelated: era: a major division of geological time; an era is usually divided into two or more periods
Broader: beam: a group of nearly parallel lines of electromagnetic radiation | Unrelated: hydromyinae: water rats of Australia and New Guinea
Broader: beam: a group of nearly parallel lines of electromagnetic radiation | Unrelated: dhu'l-hijja: the twelfth month of the Islamic calendar and the season of the hajj; has one extra day in leap years
Broader: beam: a group of nearly parallel lines of electromagnetic radiation | Unrelated: matakam: a Chadic language spoken south of Lake Chad