Term: energy: any source of usable power
Broader: physical entity: an entity that has physical existence | Unrelated: frontier: an undeveloped field of study; a topic inviting research and development
Broader: physical entity: an entity that has physical existence | Unrelated: vital organ: a bodily organ that is essential for life
Broader: physical entity: an entity that has physical existence | Unrelated: backsliding: a failure to maintain a higher state
Broader: physical entity: an entity that has physical existence | Unrelated: negro vine: twining vine with hairy foliage and dark purplish-brown flowers
Broader: physical entity: an entity that has physical existence | Unrelated: skeleton fork fern: pantropical epiphytic or terrestrial whisk fern with usually dull yellow branches and minute leaves; America; Japan; Australia
Broader: physical entity: an entity that has physical existence | Unrelated: problem solving: the area of cognitive psychology that studies the processes involved in solving problems
Broader: physical entity: an entity that has physical existence | Unrelated: garlic chive: large flat leaves used as chive is used
Broader: physical entity: an entity that has physical existence | Unrelated: battery: a unit composed of the pitcher and catcher
Broader: physical entity: an entity that has physical existence | Unrelated: sanhedrin: the supreme judicial and ecclesiastical council of ancient Jerusalem
Broader: physical entity: an entity that has physical existence | Unrelated: term: one of the substantive phrases in a logical proposition