IPA: /pəˈtæsɪk/
KK: /pəˈtæsɪk/
Relating to or containing potassium, a chemical element essential for plant growth and various biological functions.
The soil was enriched with potassic fertilizers to improve crop yield.
Potassic is derived from "potash" (from the Dutch "potaschen", meaning ashes from a pot) and the suffix "-ic" (meaning pertaining to). The word "potassic" refers to something that is related to or contains potash, which is a source of potassium.
Think of potash, which comes from ashes in a pot, to remember that potassic means related to potassium.