The doctrine that all phenomena can be described in spatiotemporal terms and consequently that any descriptive scientific statement can in principle be reduced to an empirically verifiable physical statement.

• 物理主义一种认为所有现象都可以时空的术语来描述的理论，并由此认为所有的科学的描绘性叙述在理论上都可以转化为经验上可证实的物质叙述。