pulse

/pʌls/ (bre, ipa) · /pʌls/ (ame, ipa) · /ˈpəls/ (ame, mw)

pulse — noun

  • pulsesingular
  • pulsesplural

1. the regular movement that you can feel in your wrist or neck each time your hear

1.名詞B1
釋義

the regular movement that you can feel in your wrist or neck each time your heart pushes blood through your body

例句

The nurse held Rohan's wrist and counted his pulse for fifteen seconds.

take/feel + pulse for measuring heart rate

After climbing three flights of stairs, Lara's pulse was racing.

pulse + verb for speed of heartbeat

同義詞
  • heartbeat

    more general term for the heart's action; pulse specifically refers to the felt throb

  • throb

    describes the sensation of pulsing, often pain-related (e.g., headache)

文法句型

sb's pulse

take/feel/check + pulse

用法筆記

Frequently used with possessive adjectives (my, his, her) or the definite article: 'the patient's pulse'. The phrase 'take/feel someone's pulse' is a common fixed expression.

常見錯誤

My pulse is 130 over 80.
My blood pressure is 130 over 80. My pulse is 75 beats per minute.
💡Pulse measures heart rate, not blood pressure.
Check his pulses.
Check his pulse.
💡Pulse is usually uncountable in this sense (the rate, not individual beats).

2. the act of pressing gently on someone's wrist or neck to feel how many times the

2.名詞B2
釋義

the act of pressing gently on someone's wrist or neck to feel how many times their heart beats in a minute, usually done by a doctor or nurse

例句

The doctor took Christopher's pulse before asking him to open his mouth.

take + pulse as a medical check

Mira learned how to check a pulse by placing two fingers on the inside of her classmate's wrist.

check + pulse as a learned skill

文法句型

take + sb's + pulse

check + pulse

用法筆記

This sense almost always appears in the fixed expressions 'take someone's pulse' or 'check someone's pulse'. The noun is never used alone with this meaning.

常見錯誤

I did a pulse on the patient.
I took the patient's pulse.
💡The correct verb is 'take' or 'check', not 'do'.

3. a very brief, repeated burst of energy that follows a repeating pattern — for ex

3.名詞B2
釋義

a very brief, repeated burst of energy that follows a repeating pattern — for example, a quick flash of light, a short loud tone, or a momentary flow of electric current

例句

The lighthouse sent out a pulse of light every five seconds to guide ships.

pulse + of + light / sound / energy

Each pulse from the radar scanner lasts only a few millionths of a second.

同義詞
  • burst

    less technical; can refer to any sudden release, not necessarily repeated

  • wave

    broader; a pulse is a type of wave, but not all waves are pulses

文法句型

pulse + of + noun (light/sound/energy)

用法筆記

Common in scientific and technical contexts (physics, electronics, medicine). The plural 'pulses' is used when referring to a series of such bursts.

常見錯誤

The light pulse was one meter long.' (measuring duration as length)
The light pulse lasted one millisecond.
💡Pulse duration is measured in time units, not distance.

4. a kitchen machine setting that makes the blade spin in very short starts and sto

4.名詞B2
釋義

a kitchen machine setting that makes the blade spin in very short starts and stops so that food gets chopped or mixed without being turned into a paste

例句

Use the pulse setting to chop the nuts so they stay crunchy, not powdery.

use/use the pulse setting on a food processor

Heather pressed the pulse button three times to break the biscuits into small pieces for the cheesecake base.

同義詞
  • burst mode

    also used for blenders and food processors, but less common

文法句型

use + pulse

pulse + setting/button

用法筆記

This sense is specific to kitchen appliances (food processors, blenders). It describes a feature, not the rate of a heartbeat.

常見錯誤

Pulse the blender for three minutes.
Use short pulses for about thirty seconds, stopping between each burst.
💡Pulse means very short on/off bursts, not continuous running.

5. the dry seeds of legume plants such as beans, peas, chickpeas, and lentils, whic

5.名詞B2
釋義

the dry seeds of legume plants such as beans, peas, chickpeas, and lentils, which people soak and cook to make meals

例句

Pulses like lentils and chickpeas are a cheap source of protein for many families.

pulses as food category — lentils, chickpeas, beans

The nutritionist told Eve that eating more pulses could lower her cholesterol.

同義詞
  • legumes

    broader term that includes fresh peas and pods, not just dried seeds

文法句型

pulses as food category

用法筆記

This is a technical or agricultural category. In everyday conversation, people tend to name specific types (beans, lentils) rather than saying 'pulses'.

常見錯誤

I ate pulses for breakfast.' (odd without context)
I had lentils and beans for breakfast. Pulses are a good source of protein.
💡The word works best when naming the category after giving examples.

pulse — verb