Term: source of illumination: any device serving as a source of visible electromagnetic radiation
Broader: physical entity: an entity that has physical existence | Unrelated: card game: a game played with playing cards
Broader: physical entity: an entity that has physical existence | Unrelated: angular acceleration: (physics) the rate of change of the angular velocity of a rotating body
Broader: physical entity: an entity that has physical existence | Unrelated: sea robin: American gurnard; mostly found in bays and estuaries
Broader: physical entity: an entity that has physical existence | Unrelated: countercurrent: actions counter to the main group activity
Broader: physical entity: an entity that has physical existence | Unrelated: magazine: a periodic publication containing pictures and stories and articles of interest to those who purchase it or subscribe to it
Broader: physical entity: an entity that has physical existence | Unrelated: discard: getting rid something that is regarded as useless or undesirable
Broader: physical entity: an entity that has physical existence | Unrelated: sinker: a weight that sinks (as to hold nets or fishing lines under water)
Broader: physical entity: an entity that has physical existence | Unrelated: inhibitor: a substance that retards or stops an activity
Broader: physical entity: an entity that has physical existence | Unrelated: guava: small tropical shrubby tree bearing small yellowish fruit
Broader: physical entity: an entity that has physical existence | Unrelated: wheat flag smut: fungus affecting leaves and stems of wheat