A knifelike device with a blunt edge, used for slicing letters open.

(intransitive, cricket) To turn the face of the bat outwards in order to hit the ball on the off side.

Used other than figuratively or idiomatically: see open, attack: to begin attacking, to commence battle. / (cricket) Of a bowler: to bowl one of the first two overs.

A UK university offering distance learning taught courses to people without formal academic qualifications, teaching being by correspondence and online with mostly optional tutorials and for some courses compulsory summer schools. Access to postgraduate research is selective and is primarily taught on campus using traditional methods.

(American spelling) Alternative form of fibre optics

Alternative spelling of fibre optics

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

Alternative spelling of fibre optics

(military) That portion of a theater of war] which an army passes over in attaining its object.

(physics) the milky turbidity observed in a fluid as it is slowly cooled to just above its critical point, at which point two clear phases (gas and liquid) form