What does pulser mean?
A pulser is a device associated with the production or measurement of pulses. In electronics and laboratory work, it usually means equipment that generates regularly timed pulses of electric current or radio waves, allowing signals to be tested, synchronized, or transmitted according to a defined pattern. In medicine, the term can refer to an instrument that measures the rate of the heartbeat. The word is more specialized and less common than “pulse generator” or “pulse meter,” and its intended meaning often depends on the surrounding technical context. It is easily confused with “pulsar,” which has a very different meaning: a pulsar is a rapidly rotating, highly magnetized neutron star that may emit beams of radiation. Although the words sound and look similar, their pronunciation, etymology, and uses are distinct.
nounA device that generates regular pulses, especially of electric current or radio waves; also an instrument for measuring the rate of the heartbeat.
- A device that produces regular pulses of electric current, radio waves, or another signal.
- An instrument for measuring the rate of the heartbeat.
"The laboratory technician adjusted the pulser before transmitting the signal."
"The pulser emitted short bursts at precisely spaced intervals."
"The doctor used a pulser to check the patient's heartbeat."
The plural is used when referring to multiple pulse-generating or pulse-measuring devices.
"The pulsers were connected to separate channels of the experiment."
A pulser makes or measures pulses; a pulsar is a spinning neutron star with an impressively irregular name.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does pulser come from?
The English word “pulser” is formed from “pulse” with the agent suffix “-er.” “Pulse” came into English from Latin pulsus, meaning “a beat” or “a beating,” a noun derived from the past participle of pellere, “to drive” or “to beat.” Several English words, including “pulsate,” “pulsation,” “propulsion,” and “repulse,” continue the same Latin root.
How pulser is actually used
The word is relatively uncommon and is chiefly used in technical, scientific, laboratory, or medical contexts. Its two senses are distinguished by context: signal generation or pulse measurement. It should not be confused with “pulsar,” a term in astronomy.
Easily confused with pulser
A pulser generates or measures pulses, whereas a pulsar is a rapidly rotating neutron star that emits beams of radiation.