From Latin flÅ«ctuÄns, flÅ«ctuant- , present participle of flÅ«ctuÄre, to fluctuate; see fluctuate. adjective. 1  Subject to change or variation: variable: fluctuant oil prices. 2  Medicine Capable of being moved or compressed.3  Used of an abnormal mass such as a tumor or abscess. 4  Moving in waves.djective. 1  Subject to change or variation: variable: fluctuant oil prices. 2  Medicine Capable of being moved or compressed. 3  Moving in waves.
Like Gulf Oil, Texaco was founded in 1901 after a major oil strike at Spindletop near Beaumont, Texas. The company was officially incorporated as The Texas Company in 1902 and the word Texaco was first used as a brand (for asphalt, not gasoline) in 1903.
The mine was started in 1952 by the Kennecott Copper Corporation, on the site of the towns of Ray and Sonora. The mine was purchased by ASARCO in 1986.