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.
Exercise is the miracle cure weâve always had, but for too long weâve neglected to take our recommended dose. Our health is now suffering as a consequence. This is no snake oil. Whatever your age, there's strong scientific evidence that being physically active can help you lead a healthier and even happier life.