lye, originally the clear alkaline liquid left after leaching wood ash in water / scum, the coagulated proteins and fats that gather on the surface of a pot of boiling food

ash

ashes / puckery juice / cremate

ash; ashes

dolmen - a prehistoric megalithic tomb consisting of a capstone supported by two or more upright stones, most having originally been covered with earth or smaller stones to form a barrow.

amphibole

(mineralogy) anatase

(mineralogy) antigorite

guano

cat's eye; cymophane