isopropyl
noun
iso·pro·pyl
ˌī-sə-ˈprō-pəl 
often attributive
: the alkyl radical isomeric with straight-chain propyl
—often used in combination
Examples of isopropyl in a Sentence
Recent Examples on the Web
To remove these stubborn spots before cleaning, dip a cloth into isopropyl or rubbing alcohol and dab it over the area to soften and remove buildup.
—
Karen Brewer Grossman, Southern Living, 5 Nov. 2025
Here are a few tips for safely using a derma roller:
Disinfect your derma roller before and after each use with 70% isopropyl alcohol.8
Cleanse your skin before using a derma roller.7
Never share your device with other people.7
Don't apply too much pressure when rolling.
—Carley Millhone, Health, 9 Sep. 2025
The ethanol or isopropyl acts as a carrier that helps the ink dry and not smear.
—Bestreviews, Chicago Tribune, 8 Aug. 2025
After cleaning, consider wiping the counter down with isopropyl or rubbing alcohol.
—Bryce Jones, Better Homes & Gardens, 31 Mar. 2023
Unlike many ethanol tabletop fires, this portable fire pit can be used with multiple alcohol fuels for a clean, ventless fire; the brand recommends bioethanol fuel, isopropyl, or rubbing alcohol.
—Nicol Natale, Peoplemag, 9 Sep. 2022
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Karen Brewer Grossman, Southern Living, 5 Nov. 2025
Here are a few tips for safely using a derma roller:
Disinfect your derma roller before and after each use with 70% isopropyl alcohol.8
Cleanse your skin before using a derma roller.7
Never share your device with other people.7
Don't apply too much pressure when rolling.
—Carley Millhone, Health, 9 Sep. 2025
The ethanol or isopropyl acts as a carrier that helps the ink dry and not smear.
—Bestreviews, Chicago Tribune, 8 Aug. 2025
After cleaning, consider wiping the counter down with isopropyl or rubbing alcohol.
—Bryce Jones, Better Homes & Gardens, 31 Mar. 2023
Unlike many ethanol tabletop fires, this portable fire pit can be used with multiple alcohol fuels for a clean, ventless fire; the brand recommends bioethanol fuel, isopropyl, or rubbing alcohol.
—Nicol Natale, Peoplemag, 9 Sep. 2022
Cite this Entry
“Isopropyl.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isopropyl. Accessed 14 Nov. 2025.
Copy CitationMedical Definition
isopropyl
noun
iso·pro·pyl
ˌī-sə-ˈprō-pəl
: the alkyl group isomeric with normal propyl
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