A vitreous oxide of antimony mixed with sulfide.

Alternative form of on the heels of

(archaic) a suit consisting of matching trousers, coat, and waistcoat

(chemistry, obsolete) sodium carbonate

(chemistry, obsolete) iron(II) sulfate

(chemistry, obsolete) potassium carbonate

(mining) mineral coal

(chemistry, obsolete) sulfuric acid

manroot (Ipomoea leptophylla)

(heraldry, UK) An escutcheon used to display the arms of the bearer's wife; not commonly used unless she is an heiress.