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 colorless and odorless oil thatâs made from petroleumâas a by-product of the distillation of petroleum to produce gasoline. Itâs long been used as a common ingredient in lotions, creams, ointments, and cosmetics.Itâs lightweight and inexpensive, and helps reduce water loss from the skin.lso called âliquid petroleum,â âparaffin oil,â and âwhite mineral oil,â mineral oil has long been used in a number of industries, including biomedicine, veterinary medicine, mechanical, electrical, and industrial. Nowhere is its use more debated, however, than in the cosmetics industry.