Term: heating system: utility to warm a building
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: earmark: identification mark on the ear of a domestic animal
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: muscular dystrophy: any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: obedience: the trait of being willing to obey
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: fennel: aromatic bulbous stem base eaten cooked or raw in salads
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: hamadryad: the nymph or spirit of a particular tree
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: watchband: a band of cloth or leather or metal links attached to a wristwatch and wrapped around the wrist
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: bijou: a small and delicately worked piece
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: indriidae: a family of Lemuroidea
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: whoopee: noisy and boisterous revelry
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: bough: any of the larger branches of a tree