# acceptor

CEFR C1 · Noun

Source: https://englishreference.com/word/acceptor
Updated: 2026-05-28

## Definition

a person or thing that receives something, like a document or an electron. In science, it often refers to a molecule that takes an electron from another molecule.

For teachers: an entity that receives or takes up something, such as a document, an electron, or a charge. In chemical contexts, it specifically refers to a molecule that accepts an electron pair from a donor.

## Examples

- The bank is the acceptor of the check.
- In the photosynthesis process, the oxygen molecule acts as the final electron acceptor in the electron transport chain.
- The legal contract became binding only after the acceptor signed the document, confirming their agreement to the terms outlined by the proposer.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.