pentapotassium
Five potassium ions in a compoundFive potassium ions in a compound
Meaning
1 senses(in compounds, uncountable)Five potassium ions in a compound
Origin
From penta- + potassium.From penta- + potassium.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable