nickel

As the molten iron and nickel slowly cool, they form swirling convection currents in the outer core.

Instead, he liquidated retirement funds and plowed ahead on his own nickel with the hope of getting reimbursed later.

Mickens, a rookie, can play free safety, nickel and special teams.

They worked six days a week for minimum wage — $1.40 an hour at the time — and earned a nickel for every crate filled with about 30 to 36 cantaloupes.

Last season, Lake played every defensive snap as a safety, nickel/corner and hybrid linebacker.