optical

noun 0.716

silica glass

noun 0.715

glass

noun 0.700

flint glass

noun 0.694

optical fibre

noun 0.684

glass water

noun 0.681

optical flat

noun 0.676

glass electrode

noun 0.674

soda glass

noun 0.673

borosilicate glass

noun 0.666

ground glass

noun 0.659

optical microscope

noun 0.653

liquid glass

noun 0.646

glass-ceramic

noun 0.645

safety glass

noun 0.637

optical power

noun 0.623

perspective glass

noun 0.623

chalcogenide glass

noun 0.621

volcanic glass

noun 0.619

float glass

noun 0.617

eyeglass

noun 0.616

glass wool

noun 0.612

opera glass

noun 0.607

optical astronomy

noun 0.604

optics

noun 0.599

glasswork

noun 0.599

watch glass

noun 0.596

crown glass

noun 0.592

optical spectrum

noun 0.591

glassware

noun 0.590

glassmaking

noun 0.590

glass eye

noun 0.585

glassmaker

noun 0.584

glassy

noun 0.583

glassy carbon

noun 0.578

stained glass

noun 0.574

wine glass

noun 0.571

fibre optics

noun 0.570

glassworking

noun 0.568

prescription glasses

noun 0.567

optician

noun 0.565

dioptric

noun 0.565

opal glass

noun 0.563

gauge glass

noun 0.562

glassworks

noun 0.561

optical drive

noun 0.560

optical isomer

noun 0.559

pier glass

noun 0.558

borosilicate

noun 0.557

glassblowing

noun 0.557

vitreous

noun 0.555

magnifying glass

noun 0.552

achromatic lens

noun 0.549

glassblower

noun 0.544

plexiglass

noun 0.544

optical rotatory dispersion

noun 0.543

optical illusion

noun 0.542

beer glass

noun 0.541

lens

noun 0.540

optical activity

noun 0.540

glass transition

noun 0.539

crystallin

noun 0.538

spyglass

noun 0.535

silicon oxide

noun 0.534

optic

noun 0.533

optical delusion

noun 0.532

pyrex

noun 0.529

glass door

noun 0.528

glassiness

noun 0.528

gravitational lens

noun 0.527

quizzing glass

noun 0.521

eyewear

noun 0.517

fibreglass

noun 0.516

cheval glass

noun 0.514

convex lens

noun 0.513

silica

noun 0.512

crystal

noun 0.512

obsidian

noun 0.510

optoelectronics

noun 0.509

immersion oil

noun 0.509

refractor

noun 0.508

liquid crystal

noun 0.508

glasshouse

noun 0.504

refracting telescope

noun 0.504

glass cleaner

noun 0.503

orthosilicate

noun 0.503

vitreous body

noun 0.501

refractometer

noun 0.500