aldehyde

[/ˈældəhaɪd/]
nounmasculinepl: aldehydes
aldeído
1. An organic compound containing a carbonyl group (C=O) bonded to at least one hydrogen atom, typically produced by oxidation of primary alcohols
Formaldehyde is the simplest aldehyde with the chemical formula CH₂O.
O formaldeído é o aldeído mais simples com a fórmula química CH₂O.
2. Any member of a class of highly reactive organic compounds used in manufacturing, preservation, and synthesis
Many aldehydes are used as precursors in the synthesis of more complex organic molecules.
Muitos aldeídos são usados como precursores na síntese de moléculas orgânicas mais complexas.
The term 'aldeído' is primarily used in academic, industrial, and scientific contexts in both Brazil and Portugal. Formaldehyde (formaldeído) is the most commonly known aldehyde to the general public due to its use in preservation and disinfection. In the USA, aldehydes are fundamental to organic chemistry curriculum and are extensively studied in pre-medical and chemistry programs.
Synonyms / Sinônimos
carbonyl compoundaldehyd (archaic)formyl compound
Antonyms / Antônimos
ketone (structural isomer with different functional group placement)

Regional Variations

General Brazilian Portuguese
aldeído
Standard term used in chemistry textbooks and laboratories across Brazil
Portugal
aldeído
Same spelling and usage as Brazilian Portuguese; standard in Portuguese chemistry
São Paulo
aldeído
Used in academic and industrial chemistry contexts
General English (USA)
aldehyde
Fundamental term in organic chemistry and biochemistry

Related Words

ketonecarboxylic acidalcoholoxidationcarbonylfunctional grouporganic chemistry

Related Idioms & Phrases

aldehyde group - the functional group characteristic of aldehydes
aldehyde dehydrogenase - enzyme that catalyzes aldehyde oxidation
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