rheostat
/ˈriː.ə.stat//ˈri.əˌstæt/
构词拆解
- -stat
- Used to form nouns naming scientific instruments that act to render the prefixed element stationary or static in some respect. · (pharmacology) Used to form names of enzyme inhibitors.
词源链
词源说明
Rheo- is derived from Ancient Greek ῥέω (rhéō, “to flow, stream”), ultimately from Proto-Indo-European *srew- (“to flow, stream”), possibly from *ser- (“to flow”).
-Stat is derived from Ancient Greek -στάτης (-státēs), from ῐ̔́στημῐ (hĭ́stēmĭ, “to stand; to stop”), ultimately from Proto-Indo-European *steh₂- (“to stand (up)”).
释义
名词noun
- 1(electronics, technology) An electrical resistor with two terminals, the resistance of which can be varied continuously by moving a knob or slider to regulate