formyl: meaning, definition, pronunciation and examples

C2
UK/ˈfɔːmʌɪl/US/ˈfɔːrmɪl/

Highly technical/scientific

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Quick answer

What does “formyl” mean?

The radical -CHO, derived from formic acid.

Audio

Pronunciation

Definition

Meaning and Definition

The radical -CHO, derived from formic acid.

In organic chemistry, the univalent radical HCO−, present especially in aldehydes. Also used as a prefix in systematic chemical nomenclature (e.g., formyl chloride).

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning or usage. Spelling and pronunciation are identical.

Connotations

None beyond its strict scientific definition.

Frequency

Equally rare and technical in both varieties, confined to scientific literature and discourse.

Grammar

How to Use “formyl” in a Sentence

[formyl] + noun (group/radical/derivative)N- + [formyl]

Vocabulary

Collocations

strong
formyl groupformyl radicalN-formylformyl derivative
medium
formyl compoundformyl transferformyl peptide
weak
formyl moietyformyl functionalityprotected formyl

Examples

Examples of “formyl” in a Sentence

adjective

British English

  • The formyl substituent was identified via NMR spectroscopy.
  • They studied the formyl peptide receptor.

American English

  • The formyl group is highly reactive.
  • Formyl chloride is a useful reagent in synthesis.

Usage

Meaning in Context

Business

Not used.

Academic

Used exclusively in chemistry and biochemistry research papers and textbooks.

Everyday

Never used in everyday conversation.

Technical

The primary context. Used to describe molecular structure and reactions (e.g., formylation).

Vocabulary

Synonyms of “formyl”

Neutral

HCO group

Weak

aldehyde group (in specific, but not exact, contexts)

Watch out

Common Mistakes When Using “formyl”

  • Misspelling as 'formal'.
  • Using it as a general adjective (e.g., 'a formyl document').
  • Incorrect stress placement in pronunciation.

FAQ

Frequently Asked Questions

No, it is a highly specialised term used only in chemistry and biochemistry.

No, it is primarily used as a noun (the radical) or as a combining form/adjective (e.g., formyl group). The related verb is 'formylate'.

An aldehyde is a class of organic compound containing a formyl group attached to a carbon. 'Formyl' refers specifically to the -CHO radical itself.

In British English: /ˈfɔːmʌɪl/ (FOR-mile). In American English: /ˈfɔːrmɪl/ (FOR-mil).

The radical -CHO, derived from formic acid.

Formyl is usually highly technical/scientific in register.

Learning

Memory Aids

Mnemonic

Think: FORMic acId + -YL (a common suffix for radicals in chemistry) = FORM-YL, the group from formic acid.

Conceptual Metaphor

A 'building block' or 'tag' on a larger molecule.

Practice

Quiz

Fill in the gap
The group, -CHO, is a key functional group in organic chemistry.
Multiple Choice

In which field is the term 'formyl' exclusively used?