easy
Our class used the word sensor in a science reading.
What does Sensor mean?
a device part that detects changes such as light, heat, or movement.
Dictionary definition
A device part that detects changes such as light, heat, or movement.
Example sentences
Sensor in a sentence
medium
The project diagram helped us understand sensor better.
hard
The passage explained why sensor matters when systems are designed and improved.
Writing practice
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Quick practice
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Practice the meaning of Sensor
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What does sensor mean?
Sensor means a device part that detects changes such as light, heat, or movement.
Practice 2
Which word or phrase is closest in meaning to sensor?
Detector is close in meaning to sensor in this context.
Practice 3
Which word or phrase is a useful contrast for sensor?
Manual check contrasts with sensor in this context.
Practice complete
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Sensor
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WordSensor.
Partnoun.
MeaningSensor means a device part that detects changes such as light, heat, or movement.
ExampleExample: Our class used the word sensor in a science reading.
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Synonyms
Words like Sensor
detectorClose in meaning when sensor means a device part that detects changes such as light, heat, or movement.
monitorClose in meaning when sensor means a device part that detects changes such as light, heat, or movement.
measuring deviceClose in meaning when sensor means a device part that detects changes such as light, heat, or movement.
Antonyms
Opposite words
manual checkContrasts with sensor in the meaning a device part that detects changes such as light, heat, or movement.
Synonym practice
Want to practice sensor synonyms in context? Try a Synonym Search question like "The sensor turned on the light when we entered," then compare close word choices. Practice sensor synonyms.
Word family
Sensor word family
Base word
sensor
adjective
sensory
Related word form.
Related words
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Student support
Understand Sensor
Hint for students
A sensor is a device that notices or measures something, such as motion, heat, light, or sound.
Common mix-up
Sensor is not the same as censor. A sensor detects or measures; a censor removes or blocks information.
Try it in class or at home
Write one sentence that shows sensor without using the word sensor. Model sentence: The automatic door opened when the device noticed someone standing nearby. Clue words: automatic door, device, noticed, standing nearby Now try your own sentence. Ask: Does my sentence show a device detecting or measuring something?
Teacher prompt
Ask students to explain this model sentence: "The motion sensor turned on the light when we walked by." Why does sensor fit better than censor?
Learning activities
Practice Sensor and explore more word games
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