Meaning & use
oscilloscope
An instrument that displays how an electrical signal changes over time as a visual waveform.
See it in a sentence
The technician connected the circuit to an oscilloscope to check the shape of the signal.
Students watched the oscilloscope screen as the sound wave appeared in real time.
A note on using this word
An oscilloscope shows voltage over time as a graph, unlike a multimeter, which gives only a single numeric reading.
Words with a similar meaning
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