Colza oil is a non-drying oil obtained from the seeds of Brassica campestris, var. oleifera, a variety of the plant which produces Swedish turnips. Colza is extensively cultivated in France, Belgium, the Netherlands and Germany; and, especially in the first-named country, the expression of the oil is an important industry. In commerce, colza is classed with rape oil, to which both in source and properties it is very closely allied. It is a comparatively inodorous oil of a yellow color, having a specific gravity varying from 0.912 to 0.920. The cake left after expression of the oil is a valuable feeding substance for cattle. Colza oil is extensively used as a lubricant for machinery, and for burning in lamps. Oil is a generic term for organic liquids that are not miscible with water. ... Binomial name Brassica napobrassica The rutabaga or swede or (yellow) turnip (Brassica napobrassica, or Brassica napus var. ... Binomial name Brassica napus L. Rapeseed (Brassica napus), also known as Rape, Oilseed Rape, Rapa, Rapaseed and (one particular cultivar) Canola, is a bright yellow flowering member of the family Brassicaceae. ... Relative density (also known as specific gravity) is a measure of the density of a material. ... Binomial name Bos taurus Linnaeus, 1758 Cattle (called cows in vernacular usage, kine archaic, or ky as the Scots plural of coo) are domesticated ungulates, a member of the subfamily Bovinae of the family Bovidae. ... A lubricant (colloquially, lube, although this usually refers to personal lubricants) is a substance (usually a liquid) introduced between two moving surfaces to reduce the friction and wear between them. ...

This article incorporates text from the Encyclopædia Britannica Eleventh Edition, a publication now in the public domain. Encyclopædia Britannica, the 11th edition The Encyclopædia Britannica Eleventh Edition (1910–1911) is perhaps the most famous edition of the Encyclopædia Britannica. ... The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ...