specific gravity
名詞
UK/spəˌsɪf.ɪk ˈɡræv.ɪ.ti/
US/spəˌsɪf.ɪk ˈɡræv.ə.t̬i/
定義 specific gravity 名詞
- Uncountable(不可數名詞)physics(物理)
The ratio of the density of a substance to the density of a reference substance, typically water at 4°C. This is now more commonly known as relative density.
指在特定溫度下，某物質的密度與同體積水的密度的比值；現今更常用「相對密度」表示。
The specific gravity of this metal is high, which is why it feels so heavy.
這種金屬的比重很高，這就是為什麼它感覺如此沉重。
Scientists use specific gravity to identify different types of rocks.
科學家使用比重來識別不同類型的岩石。
By measuring the specific gravity of a liquid, we can understand its composition.
通過測量液體的比重，我們可以了解其組成。