quartz
/kwɔːts/ (bre, ipa) · /kwɔːrts/ (ame, ipa) · /ˈkwȯrts/ (ame, mw)
quartz — 名詞
1. a common mineral found in the earth's crust that forms clear or coloured crystal
石英
地殼中常見的硬質礦物
a common mineral found in the earth's crust that forms clear or coloured crystals; it is used in electronics and watches because its crystals vibrate at a fixed speed when electricity passes through them
The old watch on Abigail's wrist had a tiny quartz crystal inside that kept the time perfectly.
Abigail 手腕上的舊手錶內部有一顆小石英晶體,讓時間走得非常準確。
quartz crystal in watches
Miners discovered a large piece of clear quartz in the cave near Soraya's village.
礦工們在 Soraya 村莊附近的洞穴裡發現了一塊大型的透明石英。
Putri polished the rough quartz stone until its surface shone like smooth glass.
Putri 把那塊粗糙的石英石打磨到表面像光滑的玻璃一樣閃亮。
Many smartphones use quartz crystals to control the timing of their signals.
許多智慧型手機使用石英晶體來控制訊號的計時。
The clear quartz window in the laboratory let scientists see the experiment without opening the door.
實驗室的透明石英窗讓科學家不必打開門就能觀察實驗。
- crystal
much broader term — any solid with a regular atomic structure, not specific to quartz
- silica
refers to the chemical compound SiO₂ rather than the mineral form; quartz is one type of silica
- rock crystal
narrower — specifically clear, colourless quartz, often used in jewellery
用法筆記
Quartz is typically uncountable when referring to the mineral in general ('a vein of quartz'), but it can be used countably when referring to individual crystals ('quartz crystals from the mine'). It frequently appears as an attributive noun before another noun: 'quartz watch', 'quartz clock', 'quartz countertop'.