物質(ぶっしつ)

ぶっしつ
noun
matter, substance
science
1. matter, substance, material
Physical stuff that occupies space and has mass; anything tangible.
水(みず)は液体(えきたい)の物質(ぶっしつ)だ。
Water is a liquid substance.
It contains harmful substances.
有害物質 = harmful substance
Material wealth alone cannot bring happiness.
物質的 = material, materialistic

Usage: 物質(ぶっしつ) is used in scientific contexts for matter/substance and in philosophical contexts contrasting with spiritual things.

Compounds

Contrast: 物質(ぶっしつ) (material) vs 精神(せいしん) (spiritual)