Physics Instruments

noun a funnel-shaped chamber or bin in which loose material, as grain or coal, is stored temporarily

• The grain hopper on the farm equipment needed to be refilled before starting the next field.
• I saw a grasshopper hop into the garden while we were playing outside.
• I can't believe that grasshopper hopped all the way up to the roof!
• The new employee is a real go-getter, always hopping from one task to the next like a busy little hopper.

noun A device used to display and analyze the waveform of electronic signals

• The oscilloscope is a crucial tool in electrical engineering for measuring and analyzing voltage signals.
• I used the oscilloscope in my lab experiment to visualize the waveforms of the electrical signals.
• I'll hook up the oscilloscope to see what's going on with the circuit.
• The oscilloscope acts like a detective, revealing hidden patterns in the electrical signals.