plural of Scotch hearth

plural of ore hearth

plural of hearth tax

A light portable furnace for heating rivets.

plural of rivet hearth

An open hearth furnace (open-hearth furnace). / A home hearth comprising a hearthstone alone, as opposed to one comprising a hearthstone and fireplace or oven.

Alternative form of open-hearth (open compound attributive form)

plural of open hearth

A flat stone used to form a hearth. / (by extension) The fireside, home life. / A soft kind of stone used to whiten doorsteps, scour floors, etc.

(transitive) To scour, as a floor, with hearthstone.