Term: gravel: rock fragments and pebbles
Broader: physical entity: an entity that has physical existence | Unrelated: cynosure: something that strongly attracts attention and admiration
Broader: physical entity: an entity that has physical existence | Unrelated: reluctance: (physics) opposition to magnetic flux (analogous to electric resistance)
Broader: physical entity: an entity that has physical existence | Unrelated: descent: a downward slope or bend
Broader: physical entity: an entity that has physical existence | Unrelated: preview: a screening for a select audience in advance of release for the general public
Broader: physical entity: an entity that has physical existence | Unrelated: windowpane: a pane of glass in a window
Broader: physical entity: an entity that has physical existence | Unrelated: slack suit: casual dress consisting of slacks and matching jacket
Broader: physical entity: an entity that has physical existence | Unrelated: tumbler: a gymnast who performs rolls and somersaults and twists etc.
Broader: physical entity: an entity that has physical existence | Unrelated: increase: the act of increasing something
Broader: physical entity: an entity that has physical existence | Unrelated: intracranial aneurysm: an aneurysm of a cranial artery
Broader: physical entity: an entity that has physical existence | Unrelated: car: a wheeled vehicle adapted to the rails of railroad