Term: tartar: an incrustation that forms on the teeth and gums
Broader: covering: a natural object that covers or envelops | Unrelated: yellow light: the signal to proceed with caution
Broader: covering: a natural object that covers or envelops | Unrelated: protoctist order: the order of protoctists
Broader: covering: a natural object that covers or envelops | Unrelated: sick: people who are sick
Broader: covering: a natural object that covers or envelops | Unrelated: gitano: a Spanish male Gypsy
Broader: covering: a natural object that covers or envelops | Unrelated: landing flap: a flap on the underside of the wing that is lowered to slow the plane for landing
Broader: covering: a natural object that covers or envelops | Unrelated: impressionism: a school of late 19th century French painters who pictured appearances by strokes of unmixed colors to give the impression of reflected light
Broader: covering: a natural object that covers or envelops | Unrelated: sponger: a workman employed to collect sponges
Broader: covering: a natural object that covers or envelops | Unrelated: sliding window: a window that open by sliding horizontally
Broader: covering: a natural object that covers or envelops | Unrelated: organ: a government agency or instrument devoted to the performance of some specific function
Broader: covering: a natural object that covers or envelops | Unrelated: doorjamb: a jamb for a door