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"fiber optic" vs "fibre optic"

Both 'fibre optic' and 'fiber optic' are correct, but the preferred spelling depends on the variety of English being used. 'Fibre optic' is the British English spelling, while 'fiber optic' is the American English spelling.

Last Updated: March 30, 2024

fiber optic

This is a correct spelling in American English.

Use 'fiber optic' when writing in American English to refer to the technology that uses thin strands of glass or plastic to transmit data.

Alternatives:

  • optical fiber

fibre optic

This is a correct spelling in British English.

Use 'fibre optic' when writing in British English to refer to the technology that uses thin strands of glass or plastic to transmit data.

Alternatives:

  • optical fibre

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