potassium
nomattesté dans les dialogues
- //pəˈtæsiəm//
A soft, waxy, silvery reactive metal that is never found unbound in nature; an element with atomic number 19 and atomic weight of 39.0983.
nom
- 1
A soft, waxy, silvery reactive metal that is never found unbound in nature; an element with atomic number 19 and atomic weight of 39.0983.
We all need potassium, and green vegetables are a good source.
- 2
An atom of this element.
This reaction substitutes a potassium for a sodium.
Étymologie
Coined by British chemist Humphry Davy in 1807, from potassa (a Latinized form of potash) + -ium.
Formes
- pluriel
- potassiums
postponed · Done later than originally planned; delayed.posture · The way a person holds and positions their body.pot · A flat-bottomed vessel (usually metal) used for cooking food,…
potassium · A soft, waxy, silvery reactive metal that is never found unbound in nature; an element with atomic number 19 and atomic weight of 39.0983.
potato · The edible starchy tuber of the plant species Solanum…potent · Powerful; possessing power; effective.potential · A currently unrealized ability (with the most common…