(obsolete, inorganic chemistry) zinc chloride

(obsolete, organic chemistry) oxalic acid

(idiomatic) To ease up on after inflicting great punishment.

Any change of a substance from one physical state (solid, liquid or gas) to another

(inorganic chemistry, chiefly Britain) Alternative spelling of sulfite of soda

sodium bicarbonate

Misspelling of may have.

(politics) publicly stating or supporting a policy counter to the official party policy.

All the hair that covers the scalp of a person (excludes the beard and moustache)

The person responsible for governing a group that lives together, such as a family.