optical

noun 0.680

floppy drive

noun 0.680

hard drive

noun 0.649

hard disk

noun 0.586

optical fibre

noun 0.584

jump drive

noun 0.583

compact disc

noun 0.581

compact disk

noun 0.580

optical power

noun 0.577

optical microscope

noun 0.574

output device

noun 0.572

tape drive

noun 0.565

flash drive

noun 0.561

optical glass

noun 0.560

floppy disk

noun 0.551

device driver

noun 0.547

optical astronomy

noun 0.546

pen drive

noun 0.529

fixed disk

noun 0.527

optoelectronics

noun 0.521

optical spectrum

noun 0.518

laser printer

noun 0.516

optics

noun 0.514

drive

noun 0.514

secondary storage

noun 0.513

optical character recognition

noun 0.511

laser

noun 0.511

videodisc

noun 0.509

optical flat

noun 0.509

drive wheel

noun 0.506

floppy diskette

noun 0.505

belt drive

noun 0.504

optocoupler

noun 0.503

media player

noun 0.503

card reader

noun 0.503

record player

noun 0.503

microdisk

noun 0.502

diskette

noun 0.502

hyperdrive

noun 0.500

optical illusion

noun 0.500