zirconia

crown

Sovereign's ornamental headpiece

• implantDevice placed inside tissue
• bridgeStructure spanning an obstacle
• veneerDecorative outer layer

biocompatible · prosthetic · restoration · tooth · molar · inlay · onlay · translucent · esthetic · milling

refractory

Resistant to heat/control

• aluminaOxide of a light metal
• porcelainTranslucent fired clay
• sinteredFused by heat, pressure

kiln · firing · insulator · high-temperature · dielectric · polycrystalline · coating · wear-resistant · corrosion-resistant

oxide

Oxygen-bonded compound

• hafniumElement seventy-two

ring

Closed curve shape

• earringsJewelry worn on lobes
• necklaceNeck-worn ornament
• pendantSuspended jewelry ornament

bracelet · gemstone · simulant · carat · facet · setting · bezel · prong · solitaire · accessory

cubic

Of three dimensions

• stabilizedMade steady or constant
• latticeOpenwork of crossed strips
• polymorphEntity assuming multiple forms

brilliance

Exceptional intelligence or luster

• fireCombustion with flames
• scintillationRapid light variation
• shimmerTremulous, wavering light

gleam · radiance · refraction · luster · glint · dazzle · sparkle · dispersion · flash · twinkle

abrasive

Rough enough to erode

• bearingPosture or orientation
• bladeFlat cutting edge
• knifeSharp cutting utensil

wear-resistant · hardness · toughness · grinding · polishing · coating · engine · turbine · crucible

• durable materialstitanium, stainless steel, tungsten, diamond, carbon fiber
• hard materialsdiamond, tungsten carbide, corundum, synthetic diamond, steel
• heat protectionheat shield, heat shields, tiles, ceramic tiles, heat sink
• insulatorsrubber, insulator, glass, dielectric, electrical tape
• oxidescarbon dioxide, carbon monoxide, iron oxide, zinc oxide, nitrogen dioxide
• blade materialssteel, carbon steel, high carbon steel, stainless steel, tempered steel