active material
noun/ˈæk.tɪv məˈtɪəɹɪəl/
Etymology From active + material.
1
Essential components of a device, reaction, etc.
2
A radioactive material
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun — 2 senses
/ˈæk.tɪv məˈtɪəɹɪəl/
Etymology From active + material.
Essential components of a device, reaction, etc.
A radioactive material
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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