con·​di·​tion·​er | \ kən-ˈdi-sh(ə-)nər How to pronounce conditioner (audio) \

Definition of conditioner

: something that conditions specifically : a preparation used to improve the condition of hair

Examples of conditioner in a Sentence

Recent Examples on the Web This set contains both the salon-grade shampoo and conditioner plus the cult-favorite Olaplex Hair Perfector, which is a super concentrated treatment that strengthens your strands and reduces breakage. Amanda Tarlton, USA TODAY, "100 amazing deals from the epic Nordstrom Anniversary Sale 2020," 10 Aug. 2020 As the summer heats up, this portable air conditioner can help cool down your house or apartment quickly without taking up space on your windowsill. Ellen Mcalpine, CNN Underscored, "Save big on food, appliances, electronics and more with instant savings from Sam’s Club," 31 July 2020 Still, hotter than normal weather — and a corresponding hike in power-sucking air conditioner use — helped cushion the decline in Xcel’s actual electricity sales. Mike Hughlett, Star Tribune, "Xcel posts profit increase despite effects of COVID-19 on electricity demand," 30 July 2020 After applying shampoo and conditioner, Bargallo recommends rinsing with cool water to close the hair cuticle, which can help preserve your hair color and prevent fading. Hannah Jeon, Good Housekeeping, "6 Ways to Prevent and Fix Brassy Hair, According to Hair Color Experts," 24 July 2020 The 2020 Olympics in Tokyo may have been postponed until next summer due to the COVID-19 (coronavirus) pandemic, but the product that Sony intended to coincide with the summer games still rolled out on schedule: a wearable personal air conditioner. Courtney Linder, Popular Mechanics, "Would You Wear an Air Conditioner Inside Your Shirt?," 8 July 2020 To offer a better solution, Sony created a wearable air conditioner called the Reon Pocket, and it’s currently available in Japan. Kelly Allen, House Beautiful, "Sony Is Selling a Wearable Air Conditioner That Connects to Your Smartphone," 7 July 2020 Within five days, three people sitting at the infected patron's table were infected along with another located below the air conditioner. Adrianna Rodriguez, USA TODAY, "Most COVID-19 patients don't know who infected them, CDC survey finds," 1 July 2020 Silicone free, sulfate free, paraben free conditioner. Shalwah Evans, Essence, "Olympic Swimmer Lia Neal Shares How To Care For Hair In And Out Of The Water," 17 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'conditioner.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of conditioner

1888, in the meaning defined above

Keep scrolling for more

Learn More about conditioner

Time Traveler for conditioner

Time Traveler

The first known use of conditioner was in 1888

See more words from the same year

Statistics for conditioner

Last Updated

13 Aug 2020

Cite this Entry

“Conditioner.” Dictionary, Merriam-Webster, Accessed 14 Aug. 2020.

Keep scrolling for more

More Definitions for conditioner


How to pronounce conditioner (audio)

English Language Learners Definition of conditioner

: a thick liquid that you put on your hair after washing it to make it softer and less dry

More from Merriam-Webster on conditioner

Spanish Central: Translation of conditioner

Nglish: Translation of conditioner for Spanish Speakers

Comments on conditioner

What made you want to look up conditioner? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!