Definition of ESTRUS. : a regularly recurrent state of sexual excitability during which the female of most mammals will accept the male and is capable of conceiving: heat; also: a single occurrence of this state. See estrus defined for kids.
1. (medicine) any of various liquids sold as medicine (as by a travelling medicine show) but medically worthless. 2. communication (written or spoken) intended to deceive. Familiarity information: SNAKE OIL used as a noun is rare. Dictionary entry details.
Castor oil is a vegetable oil obtained by pressing the seeds of the castor oil plant. The common name castor oil, from which the plant gets its name, probably comes from its use as a replacement for castoreum, a perfume base made from the dried perineal glands of the beaver. Castor oil is a colorless to very pale yellow liquid with a distinct taste and odor. Its boiling point is 313 Â°C and its density is 961 kg/m3. It is a triglyceride in which approximately 90 percent of fatty acid ...