hard·​en·​er ˈhärd-nər How to pronounce hardener (audio)
: one that hardens
especially : a substance added (as to a paint or varnish) to harden the film

Examples of hardener in a Sentence

Recent Examples on the Web Start with a two-part clear resin kit that includes one bottle of resin and one bottle of hardener. Emily Vanschmus, Better Homes & Gardens, 30 Jan. 2023 Mix the consolidator, which comes as two liquids (resin and hardener) in the proportion recommended on the label. Jeanne Huber, Washington Post, 13 Jan. 2023 This China Glaze color features China Clay which acts as a nail hardener. Jamie Wilson, Harper's BAZAAR, 28 Dec. 2022 Your bathtub refinishing kit will come with two items that need combining at this stage: an epoxy resin and a hardener. Alyssa Longobucco, House Beautiful, 17 Oct. 2022 Niche, for example, uses a resin-hardener called Recyclamine that allows skis and snowboards to be fully recycled. Tracy Ross, Outside Online, 5 Mar. 2021 Mix one part resin with one part hardener in a plastic cup. Sarah Martens, Better Homes & Gardens, 30 Nov. 2021 After the molds have dried for 4 hours, mix a second batch of resin and hardener using the same method as above. Sarah Martens, Better Homes & Gardens, 30 Nov. 2021 The kit should include one bottle of resin and one bottle of hardener. Sarah Martens, Better Homes & Gardens, 30 Nov. 2021 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hardener.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1598, in the meaning defined above

Time Traveler
The first known use of hardener was in 1598

Dictionary Entries Near hardener

Cite this Entry

“Hardener.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hardener. Accessed 23 Feb. 2024.

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