Term: luciferin: pigment occurring in luminescent organisms (as fireflies); emits heatless light when undergoing oxidation
Broader: physical entity: an entity that has physical existence | Unrelated: cold wave: a wave of unusually cold weather
Broader: physical entity: an entity that has physical existence | Unrelated: perturbation: a disposition that is confused or nervous and upset
Broader: physical entity: an entity that has physical existence | Unrelated: spare tire: excess fat around the waistline
Broader: physical entity: an entity that has physical existence | Unrelated: angioplasty: an operation to repair a damaged blood vessel or unblock a coronary artery
Broader: physical entity: an entity that has physical existence | Unrelated: hog plum: yellow oval tropical fruit
Broader: physical entity: an entity that has physical existence | Unrelated: milliequivalent: one-thousandth of an equivalent
Broader: physical entity: an entity that has physical existence | Unrelated: subduction: a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate
Broader: physical entity: an entity that has physical existence | Unrelated: mackinaw: a thick plaid blanket formerly used in the northwestern United States
Broader: physical entity: an entity that has physical existence | Unrelated: frame: one of the ten divisions into which bowling is divided
Broader: physical entity: an entity that has physical existence | Unrelated: churchgoer: a religious person who goes to church regularly