灰 - ashes, puckery juice, cremate

ash; ashes

grey; gray; ashen

ashtray

volcanic ash

lime; quicklime; caustic lime

cupellation

being scattered in all directions; being broken up and dispersed

poliomyelitis; polio

fall of (volcanic) ash; falling ash

soda-lime-silica glass; soda-lime glass (most common type of glass)

ash box (used in tea ceremony)

Glaucophyceae (class of glaucophytes)