INCOERCIBLE a.
That can note be confined in, or excluded from, vessels, like ordinary fluids, gases, etc.; -- said of the imponderable fluids, heat, light, electricity, etc.
IRON n.
er Fire, n. -- Gray iron. See Cast iron (above). -- It irons (Naut.), said of a sailing vessel, when, in tacking, she comes up head to the wind and will not fill away on either tack. -- Magnetic iron. See Magnetite. -- Malleable iron (Metal.), iron sufficiently pure or soft to be capable of extension under the hamm…