water system
noun
1A river and its tributaries, considered as a unit; (in early use also) a group of connected rivers and streams (rare ).
2 Zoology = water-vascular system ( rare ).
Origin
Mid 19th century; earliest use found in The Penny Cyclopaedia.
- potassium cyanide
- potassium feldspar
- potassium ferricyanide
- potassium ferrocyanide
- potassium hydroxide
- potassium nitrate
- potassium permanganate
- potassium–argon
- potassium–argon dating
- potation
- potato
- potato apple
- potato ball
- potato bean
- potato-beetle
- potato-bing
- potato blight
- potato-bogle
- potato bread
- potato bug
- potato cake
- potato chip
- potato clay
- potato crisp
- potato cyst nematode