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.
Texaco. Texaco operates gasoline stations in the United States, but the company is part of the larger Chevron gasoline company. The companies merged in 2001 to form one of the world's largest petroleum corporations.he combination of Exxon and Mobil oil, formed in 1999, created one of the largest gasoline retailers, not just in the U.S., but in the world. Gasoline is sold in the U.S. under both trademarks.