noun
General term for a foundational physical or conceptual base, often used in technical contexts such as chemistry, materials science, or engineering.
この合金はニッケルを基体としている。
This alloy uses nickel as its base.
基体の上に薄膜を形成する。
A thin film is formed on the substrate.
noun
Philosophical term for an underlying substance or reality that supports properties or changes; equivalent to 'substratum' in Western philosophy.
アリストテレスの哲学では、基体は変化の基盤となる。
In Aristotle's philosophy, the substratum is the foundation of change.
Compound of 基 (foundation, base) and 体 (body, substance). The exact historical derivation is uncertain, but the word is used in modern technical and philosophical contexts.