| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a gadget; dingus; thingumbob. |
potash (ˈpɒtˌæʃ) ![]() | |
| —n | |
| 1. | another name for potassium carbonate, esp the form obtained by leaching wood ash |
| 2. | another name for potassium hydroxide |
| 3. | potassium chemically combined in certain compounds: chloride of potash |
| [C17 pot ashes, translation of obsolete Dutch potaschen; so called because originally obtained by evaporating the lye of wood ashes in pots] | |
potash pot·ash (pŏt'āsh')
n.
Any of several compounds containing potassium, especially soluble compounds such as potassium oxide and various potassium sulfates, used chiefly in fertilizers.
See potassium carbonate.
See potassium hydroxide.
| potash (pŏt'āsh') Pronunciation Key
Any of several chemical compounds that contain potassium, especially potassium carbonate (K2CO3), which is a strongly alkaline material obtained from wood ashes and used in fertilizers. |