radiokrypton
Radioactive kryptonRadioactive krypton
Meaning
1 senses(uncountable)Radioactive krypton
Origin
From radio- + krypton.From radio- + krypton.
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable