fibre optics (AmE spelling fiber fibre optics) noun [U]

(IT )

the use of thin fibres of glass, etc. for sending information in the form of light signals:

The use of fibre optics has served to increase the volume and speed of data transmission.

fibre-optic (AmE spelling fiber-fibre optics) adjective:

fibre-optic cables

• pass-along
• passbook
• passenger
• passing off
• passing trade
• passive
• passive loss
• passport control
• pass-through
• password
• past due
• paste
• patent
• patentable
• patent agent
• patent defect
• patentee
• patent office
• patent pending
• patent protection
• patent right
• paternalistic
• paternity leave
• paternity pay
• pathfinder