nonradioactivity
Absence of radioactivityAbsence of radioactivity.
Meaning
1 senses(uncountable)Absence of radioactivity.
Origin
From non- + radioactivity.From non- + radioactivity.
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable