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mayonnaise

American  
[mey-uh-neyz, mey-uh-neyz] / ˌmeɪ əˈneɪz, ˈmeɪ əˌneɪz /

noun

  1. a thick dressing of egg yolks, vinegar or lemon juice, oil, and seasonings, used for salads, sandwiches, vegetable dishes, etc.


mayonnaise British  
/ ˌmeɪəˈneɪz /

noun

  1. a thick creamy sauce made from egg yolks, oil, and vinegar or lemon juice, eaten with salads, eggs, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of mayonnaise

1835–45; < French, equivalent to mayon (perhaps variant of Mahón, town in Minorca) + -aise -ese

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

McCormick is putting up $29.1 billion in stock and $15.7 billion in cash, and will own 35% of the combined company that includes Unilever’s signature food brands such as Hellmann’s mayonnaise and Knorr soup mixes.

From Barron's • Mar. 31, 2026

Its food labels include Hellmann’s mayonnaise and Knorr soup mixes.

From The Wall Street Journal • Mar. 30, 2026

The pair, who live in a cramped studio apartment in a crumbling colonial-era building, can’t afford butter or mayonnaise, so breakfast is a piece of plain bread.

From Los Angeles Times • Mar. 22, 2026

The key factor that improves nutrient absorption is pairing it with olive oil, mayonnaise or another oil-based dressing.

From Science Daily • Dec. 8, 2025

I put together four thick sandwiches with cold cuts, American cheese, and lots of mustard and mayonnaise.

From "Red Kayak" by Priscilla Cummings