physical properties; properties of matter; physicality
Technical term used in physics, chemistry, and materials science to refer to the measurable characteristics of substances (e.g., density, conductivity, hardness).
We conducted several experiments to investigate the physical properties of this substance.
Condensed matter physics is a field that studies the properties of matter at the atomic and molecular level.
Compound of 物 (ぶつ, 'thing, matter') and 性 (せい, 'nature, property'). The reading ぶっせい results from the assimilation of つ to っ before せい.