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a suffix used in the names of complex cations: oxonium.
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
Question 1 of 7
In the UK, COTTON CANDY is more commonly known as…
Origin of -onium
Extracted from ammonium
Words nearby -onium
onionskin, onion snow, onion weed, Onitsha, on its merits, -onium, onium compound, Onkelos, on key, onkus, onlap
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use -onium in a sentence
This is a situation which agrees with no other city in all Egypt, except that which was the Onium of the later Jews.