conditioner
noun
con·di·tion·er
kən-ˈdi-sh(ə-)nər 
: something that conditions
specifically
: a preparation used to improve the condition of hair
Examples of conditioner in a Sentence
Recent Examples on the Web
These versatile salves might serve to treat a burn, as a facial cosmetic, or as a hair conditioner in a pinch.
—
Literary Hub, 23 Jan. 2026
To maximize the energy efficiency of your air conditioner, aim to set your thermostat between 72°F to 76°F during the daytime and 68°F to 72°F at night.
—Patricia Shannon, Better Homes & Gardens, 21 Jan. 2026
Focus on applying conditioner to the lower half of your strands, rather than up top by your roots.
—Caroline C. Boyle, USA Today, 20 Jan. 2026
Two wins at Churchill Downs as a two-year-old and a last-to-first rally on January 18, 2025, in the grade 3 Lecomte Stakes at the Fair Grounds in New Orleans had his conditioner thinking about the first Saturday in May.
—Danny Brewer, Forbes.com, 19 Jan. 2026
See All Example Sentences for conditioner
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Literary Hub, 23 Jan. 2026
To maximize the energy efficiency of your air conditioner, aim to set your thermostat between 72°F to 76°F during the daytime and 68°F to 72°F at night.
—Patricia Shannon, Better Homes & Gardens, 21 Jan. 2026
Focus on applying conditioner to the lower half of your strands, rather than up top by your roots.
—Caroline C. Boyle, USA Today, 20 Jan. 2026
Two wins at Churchill Downs as a two-year-old and a last-to-first rally on January 18, 2025, in the grade 3 Lecomte Stakes at the Fair Grounds in New Orleans had his conditioner thinking about the first Saturday in May.
—Danny Brewer, Forbes.com, 19 Jan. 2026
See All Example Sentences for conditioner
Cite this Entry
“Conditioner.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/conditioner. Accessed 28 Jan. 2026.
Copy CitationKids Definition
conditioner
noun
con·di·tion·er
kən-ˈdish-(ə-)nər
: something that conditions
especially
: a preparation used to improve the condition of hair
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