Term: osmiridium: a hard and corrosion resistant mineral that is a natural alloy of osmium and iridium (usually containing small amounts of rhodium and platinum); used in needles and pen nibs etc.
Broader: mineral: solid homogeneous inorganic substances occurring in nature having a definite chemical composition | Unrelated: midterm examination: an examination administered in the middle of an academic term
Broader: mineral: solid homogeneous inorganic substances occurring in nature having a definite chemical composition | Unrelated: twentieth: position 20 in a countable series of things
Broader: mineral: solid homogeneous inorganic substances occurring in nature having a definite chemical composition | Unrelated: backup system: a computer system for making backups
Broader: mineral: solid homogeneous inorganic substances occurring in nature having a definite chemical composition | Unrelated: uxor: (legal terminology) the Latin word for wife
Broader: mineral: solid homogeneous inorganic substances occurring in nature having a definite chemical composition | Unrelated: calvaria: the dome of the skull
Broader: mineral: solid homogeneous inorganic substances occurring in nature having a definite chemical composition | Unrelated: supertonic: (music) the second note of a diatonic scale
Broader: mineral: solid homogeneous inorganic substances occurring in nature having a definite chemical composition | Unrelated: mayaca: small genus of delicate mossy bog plants having white or violet flowers
Broader: mineral: solid homogeneous inorganic substances occurring in nature having a definite chemical composition | Unrelated: splash: a patch of bright color
Broader: mineral: solid homogeneous inorganic substances occurring in nature having a definite chemical composition | Unrelated: recall: the act of removing an official by petition
Broader: mineral: solid homogeneous inorganic substances occurring in nature having a definite chemical composition | Unrelated: wurtzite: a brownish-black mineral consisting of zinc sulfide