5 words in this vocabulary list
noun A device used to detect and measure ionizing radiation, consisting of a Geiger-Muller tube connected to electronic equipment that amplifies and records the radiation pulses.
noun A device or piece of equipment that observes, checks, or keeps track of something
verb To observe, check, or keep track of something
noun a device used to measure the amount of water vapor in the air by absorbing moisture from the air
noun cage - a structure of bars or wires in which animals are confined
noun aers - a plural form of the word 'aer', which refers to a gaseous envelope surrounding a celestial body such as the earth