A fixed oil obtained by distilling off the spirit from the alcoholic tincture.
If a mineral oil of sufficient viscosity be not available, then a fixed oil or fat may be expected to give the best result.
The seeds of the tropical M. sebifera (tallow nutmeg) yield a fixed oil or fat used in making soap and candles.
The chemical constituents of ergot are a fixed oil, trimethylamine, certain active principles, and colouring-matters.
It appears to be a mixture of volatile and fixed oil, with some resinous matter.
The peculiar properties of croton are due rather to the fixed oil than to the volatile principles.
The kernels yield a fixed oil, and an emulsion made with them is used medicinally.
An essential oil, the chief cause of the bad taste, combines with the fixed oil, and rises with it to the surface.
In Europe a fixed oil, usually that of the bean or morerja nut, is employed.
The pulp contains only about 3.5% of fixed oil, whilst the seeds contains about 15%.
fixed oil n.
A nonvolatile oil, especially a fatty oil of vegetable origin.