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.
Hash Oil. Hash oil, AKA hashish oil, is a firm liquid made by dissolving high-THC cannabis and/or hash in a solvent (like alcohol, petroleum, acetone and others). After the solids break down, the liquid is strained and left out to encourage the complete evaporation of the remaining solvent.Once the solvent has evaporated fully, the remaining liquid is called hash oil. Interesting facts about hashish oil: 1  Produced first by a British chemist, Peter Squire in 1840.fter the solids break down, the liquid is strained and left out to encourage the complete evaporation of the remaining solvent. Once the solvent has evaporated fully, the remaining liquid is called hash oil. Interesting facts about hashish oil: 1  Produced first by a British chemist, Peter Squire in 1840.