noun
Uncommon
REM
REM (noun) means a unit used to measure the biological effect of radiation exposure on the human body. Example: “Workers at the plant are monitored to keep their exposure under a set number of rems per year.”
noun
1
A unit used to measure the biological effect of radiation exposure on the human body.
"Workers at the plant are monitored to keep their exposure under a set number of rems per year."
2
In coding, a line marking a comment or note that the computer ignores — used mainly in older languages like BASIC.
"She added a REM line at the top of the script to explain what it did."
3
A unit of measurement in web design equal to the font size set on the page's root element.
"The designer used rem units so the text would scale consistently across the site."
How to use REM
Learner’s notesIn plain EnglishA short technical term with different meanings depending on the field — radiation dose, code comment, or CSS sizing unit.
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Word forms
- Plural
- REMs
Fill the gap
Can you complete this real example?
Workers at the plant are monitored to keep their exposure under a set number of _____ per year.
Etymology
Formed as a shortening — the radiation unit clips "roentgen equivalent man," while the programming sense clips "remark."
Synonyms
View more →
paradoxical sleep
rapid eye movement
rapid eye movement sleep
Rhymes for REM
See all rhymes for REM →Frequently asked questions
What does “REM” mean?
The word “REM” means a unit used to measure the biological effect of radiation exposure on the human body. In plain terms, a short technical term with different meanings depending on the field — radiation dose, code comment, or CSS sizing unit.
How do you use “REM” in a sentence?
Here is “REM” used in a sentence: “Workers at the plant are monitored to keep their exposure under a set number of rems per year.”
What part of speech is “REM”?
“REM” is a noun.
Is “REM” a common word?
“REM” is an uncommon word in modern English.
How many meanings does “REM” have?
“REM” has 3 distinct senses listed in this dictionary. The most common is: a unit used to measure the biological effect of radiation exposure on the human body.
