ScienceAugust 15, 2026
potassic
po-TAS-ik
Definition
Relating to, containing, or derived from potassium, specifically regarding the concentration of this nutrient within minerals.
Etymology
Derived from the English 'potash' combined with the suffix '-ic'. Potash itself originates from 'pot ash,' referring to the historic method of collecting plant ashes in pots to extract potassium-rich salts.
In the news
The article refers to 'potassic silicates' found within syenite rock, noting that while they contain potassium, the mineral's stable structure keeps the nutrient locked away from plants.
Scientists unlock potassium from Morocco’s syenite rock to create a slower-release fertiliser for African
Read the full article ↗The Times of India