Naphtha polloi]." It enters the word napalm, a contraction of the "na" of "naphthenic acid" and "palm" of "palmitic acid", originally made from a mixture of naphthenic acid combined with aluminium and magnesium salts of palmitic acid. Naphtha is the root of the word naphthalene, and can also be recognised in the word phthalate, and the paint colour phthalo blue. In older usage, "naphtha" simply meant crude oil, but this usage is now obsolete in English. It was also used for mineral spirits (also known as "Stoddard Solvent"), originally the main active ingredient in Fels Naptha laundry soap. The Ukrainian and
The Slaver Weapon alien device, which the Kzinti immediately suspect is a weapon. The weapon passes hands several times between the Federation and Kzinti crews, during which time Sulu discovers a total conversion beam setting. The Kzinti recapture all three Federation personnel and the weapon. As the Kzinti explore the device's many settings, they discover a war computer which starts talking to them. After the Kzinti fail to provide several code words and ask about the total conversion beam setting, the weapon concludes they are enemies and directs them to what it claims is the setting that they want but which is actually