(mechanics) In classical mechanics, the distance from the resistance (on a lever) to the fulcrum.

The characteristic of resistance to fracture under the sudden application of force.

(chemistry) The ability of a material to resist the deteriorating effects of ozone exposure.

Resistant to the effects of fire or intense heat.

Alternative spelling of heat-resistant

(physics) The force that resists the rolling of a wheel or other circular object.

(euphemistic or humorous) Overweight, fat.

(education, UK) A school subject combining elements of woodwork, metalwork and plastic-work, sometimes a module of a larger design and technology syllabus.

(law) The crime of obstructing or opposing a police officer who is making an arrest.

A rheostat consisting of an open frame on which are stretched spirals of wire, which, being freely exposed to the air, radiate heat rapidly.