ground-state
ground-state — 名詞
1. the condition where an atom, nucleus, or similar system is at its minimum possib
基態
系統能量最低的狀態
the condition where an atom, nucleus, or similar system is at its minimum possible energy
After losing energy, the electron dropped back to the ground state.
電子失去能量後，又回到基態。
return to the ground state after energy loss
The laser works only when many atoms leave the ground state.
雷射只有在許多原子離開基態時才會運作。
leave the ground state in laser physics
At very low temperatures, helium stays close to its ground state.
在很低的溫度下，氦會維持接近基態的狀態。
The graph shows how quickly the molecule returns to the ground state.
這張圖顯示該分子回到基態的速度有多快。
Nadia compared the excited state with the ground state in class.
Nadia 在課堂上比較了激發態與基態。
- lowest-energy state
a descriptive paraphrase used in explanations rather than the standard term
- unexcited state
used when the contrast with an excited state is the main point
- excited state
a higher-energy condition reached after energy is absorbed
文法句型
be in the ground state
return to the ground state
leave the ground state
用法筆記
Usually follows in, leave, or return to. Most often appears in physics and chemistry when a stable low-energy condition is contrasted with an excited state.