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- negative matrix
- negative meson
- negative metric
- negative molecule
- negative multinomial distribution
- negative nitrogen balance
- negative norm
- negative number
- negative octant
- negative orientation
- negative orthant
- negative parallax
- negative part
- negative particular proposition
- negative part of a function
- negative part of an element
- negative peak
- negative pedal curve
- negative perfect correlation
- negative permeability materials
- negative permittivity materials
- negative phototropism
- negative plate
- negative platemaking
- negative Poisson's ratio material