aldehyde

American  

[al-duh-hahyd] / ˈæl dəˌhaɪd /

noun

Chemistry.

1. any of a class of organic compounds containing the group −CHO, which yields acids when oxidized and alcohols when reduced.

---

aldehyde British  

/ ˈældɪˌhaɪd, ˌældəˈhɪdɪk /

noun

1. any organic compound containing the group -CHO. Aldehydes are oxidized to carboxylic acids and take part in many addition reactions

2. (modifier) consisting of, containing, or concerned with the group -CHO

   aldehyde group or radical

---

aldehyde Scientific  

/ ăl′də-hīd′ /

1. Any of a class of highly reactive organic compounds obtained by oxidation of certain alcohols and containing the group CHO. Aldehydes are used in manufacturing resins, dyes, and organic acids.

---

Other Word Forms

• aldehydic adjective

Etymology

Origin of aldehyde

1840–50; < New Latin al ( cohol ) dehyd ( rogenātum ) dehydrogenated alcohol

Example Sentences

Further analysis of a representative sample, Fr.9, using ^13C-DEPT NMR revealed the presence of an aldehyde group, confirming earlier findings.

From Science Daily

Each fragrance is infused with three natural ingredients — the synthetic molecules of aldehydes, alcohol from upcycled carbon emissions and water — to reach the “highest degree of olfactory clarity and expression.”

From Los Angeles Times

They found that the same aldehyde dehydrogenase gene in the lovebirds to express at high level in yellow psittacofulvin-containing feathers, but not in red feathers.

From Science Daily

A team of researchers at Nagoya University in Japan has discovered that aldehydes are metabolic byproducts associated with premature aging.

From Science Daily

Cats' scent comes from a mix of volatile organic compounds, including aldehydes, alcohols, esters and ketones.

From Science Daily