Word Origin and History for pigment Expand. n. late 14c., from Latin pigmentum coloring matter, pigment, paint, figuratively prnament, from stem of pingere to color, paint (see paint (v.)). Variants of this word could have been known in Old English (e.g. 12c. pyhmentum). As a verb from 1900.
Vegetable oils are oils that have been extracted from various seeds. The most common include rapeseed (canola oil), soybean, corn, sunflower, safflower, peanut, etc. Unlike coconut oil or olive oil that can be extracted by pressing, these new-fangled oils have to be extracted in very unnatural ways.
The chemical composition of vegetable oil can vary depending  entirely on what blend of fatty acids it is made from.    Canola Oil, for example made from rapeseed, is â¦ the formula is   C3H5O6C(CnH(2n+x))3   where,   n = 15, 17, 19 or 21 x= plus or minus 1. -3, or -5. 14 people found this useful. Answered.