aldehyde
noun
al·de·hyde
ˈal-də-ˌhīd 
: acetaldehyde
broadly
: any of a class of highly reactive organic compounds that are analogous to acetaldehyde and characterized by a carbonyl group attached to a hydrogen atom
Examples of aldehyde in a Sentence
Recent Examples on the Web
That’s thanks to aldehydes, the groundbreaking ingredient featured in No. 5, which changed the industry and have influenced countless fragrances since.
—
Lindy Segal, Harper's BAZAAR, 31 July 2023
In addition to aldehydes, the ingredient famously found in Chanel No. 5, Johnston says one major signifier of a powdery scent is musk.
—Lindy Segal, Harper's BAZAAR, 31 July 2023
In a three-step process, with each step using difference enzymes, the CO2 was broken down first to acids, then to aldehydes, and finally to alcohols.
—IEEE Spectrum, 12 Dec. 2014
Studies show these chemicals are known as aldehydes and can cause lung and heart disease, according to the American Lung Association.
—Jen Christensen, CNN, 27 Apr. 2023
Using scent-capture machinery, perfumers isolated four volatile organic compounds (VOCs) found in the atmosphere in marine settings—stuff like aldehydes and ketones—and blended them into a perfume.
—Brian Underwood, Women's Health, 15 Feb. 2023
And it’s one of the first perfumes that really leaned in hard on a synthetic called an aldehyde.
—Kira Bindrim, Quartz, 23 May 2022
Most critical was the addition of a particular musk and a particular aldehyde, which in combination would, in principle, generate a fresh, peppery note.
—Scott Sayare, Harper's Magazine, 23 Nov. 2021
All three are aldehydes, which are responsible for lots of odors.
—Elizabeth Pennisi, Science | AAAS, 16 Apr. 2020
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Lindy Segal, Harper's BAZAAR, 31 July 2023
In addition to aldehydes, the ingredient famously found in Chanel No. 5, Johnston says one major signifier of a powdery scent is musk.
—Lindy Segal, Harper's BAZAAR, 31 July 2023
In a three-step process, with each step using difference enzymes, the CO2 was broken down first to acids, then to aldehydes, and finally to alcohols.
—IEEE Spectrum, 12 Dec. 2014
Studies show these chemicals are known as aldehydes and can cause lung and heart disease, according to the American Lung Association.
—Jen Christensen, CNN, 27 Apr. 2023
Using scent-capture machinery, perfumers isolated four volatile organic compounds (VOCs) found in the atmosphere in marine settings—stuff like aldehydes and ketones—and blended them into a perfume.
—Brian Underwood, Women's Health, 15 Feb. 2023
And it’s one of the first perfumes that really leaned in hard on a synthetic called an aldehyde.
—Kira Bindrim, Quartz, 23 May 2022
Most critical was the addition of a particular musk and a particular aldehyde, which in combination would, in principle, generate a fresh, peppery note.
—Scott Sayare, Harper's Magazine, 23 Nov. 2021
All three are aldehydes, which are responsible for lots of odors.
—Elizabeth Pennisi, Science | AAAS, 16 Apr. 2020
See More
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'aldehyde.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
Etymology
German Aldehyd, from New Latin al. dehyd., abbreviation of alcohol dehydrogenatum dehydrogenated alcohol
First Known Use
1833, in the meaning defined above
Dictionary Entries Near aldehyde
Cite this Entry
“Aldehyde.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aldehyde. Accessed 27 Sep. 2023.
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Medical Definition
aldehyde
noun
al·de·hyde
ˈal-də-ˌhīd
: acetaldehyde
broadly
: any of various highly reactive compounds typified by acetaldehyde and characterized by the group CHO
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