A facial skin type categorized by a combination of dry and oily skin, especially when the T-zone produces more sebum than the rest of the face.

(philosophy) A problem arising from the tension between the seemingly irreducible nature of consciousness, and its ubiquity. If consciousness is ubiquitous, and every atom (or every bit, depending on the theory) has a minimal level of it, then it is not clear how these tiny consciousnesses combine to create larger experiences.

plural of combine driver

plural of combination problem

plural of affine combination

(physics) a combination of Boyle's law and Charles's law which states that the product of the volume and pressure of an ideal gas divided by its temperature is constant

(physics) The observation that the sums and differences of the frequencies of spectral lines often equal other observed frequencies; a consequence of quantum mechanics.

(US) A metropolitan area with one or more other metropolitan and or micropolitan area components defined with it.

plural of combined braking system

a system for linking front and rear brakes on a motorcycle or scooter