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.
Mineral oil is a mixture of complex hydrocarbons, mainly cyclic paraffins and alkanes (ideally 15 to 40 percent carbons). Mineral oil is chemically the same as petroleum jelly or white mineral oil, except it is liquid petroleum which makes it an ideal choice for several applications.