Term: ethylene: a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic
Broader: physical entity: an entity that has physical existence | Unrelated: peroration: a flowery and highly rhetorical oration
Broader: physical entity: an entity that has physical existence | Unrelated: fennel seed: aromatic anis-scented seeds
Broader: physical entity: an entity that has physical existence | Unrelated: digger wasp: solitary wasp that digs nests in the soil and stocks them with paralyzed insects for the larvae
Broader: physical entity: an entity that has physical existence | Unrelated: crab: decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers
Broader: physical entity: an entity that has physical existence | Unrelated: dominican monetary unit: monetary unit in the Dominican Republic
Broader: physical entity: an entity that has physical existence | Unrelated: butterfly flower: shrub or small tree of Dutch Guiana having clusters of pink flowers streaked with purple
Broader: physical entity: an entity that has physical existence | Unrelated: rattrap: a trap for catching rats
Broader: physical entity: an entity that has physical existence | Unrelated: erigeron: cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally
Broader: physical entity: an entity that has physical existence | Unrelated: backscratcher: a long-handled scratcher for scratching your back
Broader: physical entity: an entity that has physical existence | Unrelated: elephantiasis neuromatosa: hypertrophy of a limb