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: alkene: any unsaturated aliphatic hydrocarbon | Unrelated: alstroemeriaceae: one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; sometimes included in subfamily Amaryllidaceae
Broader: alkene: any unsaturated aliphatic hydrocarbon | Unrelated: corrosion: erosion by chemical action
Broader: alkene: any unsaturated aliphatic hydrocarbon | Unrelated: neurosurgery: any surgery that involves the nervous system (brain or spinal cord or peripheral nerves)
Broader: alkene: any unsaturated aliphatic hydrocarbon | Unrelated: oven thermometer: a thermometer that registers the temperature inside an oven
Broader: alkene: any unsaturated aliphatic hydrocarbon | Unrelated: superhigh frequency: 3 to 30 gigahertz
Broader: alkene: any unsaturated aliphatic hydrocarbon | Unrelated: genus chlorophyllum: a genus of fungus belonging to the family Lepiotaceae
Broader: alkene: any unsaturated aliphatic hydrocarbon | Unrelated: one-quintillionth: one part in a quintillion equal parts
Broader: alkene: any unsaturated aliphatic hydrocarbon | Unrelated: mold: loose soil rich in organic matter
Broader: alkene: any unsaturated aliphatic hydrocarbon | Unrelated: abaca: Philippine banana tree having leafstalks that yield Manila hemp used for rope and paper etc
Broader: alkene: any unsaturated aliphatic hydrocarbon | Unrelated: proctoscopy: visual examination of the rectum and the end of the colon by means of a proctoscope