(British spelling) The transmission of light through fine flexible glass or plastic fibres, especially as a medium for communications networks.

(British spelling) A thin, transparent, flexible fibre, made of glass or plastic, used for transmitting light.

Alternative spelling of fibre optics

In good faith; genuinely, sincerely.

In good faith; sincere; without deception or ulterior motive. / Genuine; not counterfeit.

a genus of crab in which the male has one hugely enlarged claw (genus Uca).

Quick to change one’s opinion or allegiance; insincere; not loyal or reliable. / (figuratively) Changeable.

(transitive) To deceive, flatter. / (transitive, UK dialectal) To puzzle, perplex, nonplus.

(Canada, US) A small vole such as the meadow vole. / One of several species of mice in genus Apodemus found in Eurasia and Africa. / One of several species of mice in genus Akodon found in South America.

(physics) the instrument used in field emission microscopy