radiation shielding
Physical barriers designed to provide protection from the effects of ionizing…Physical barriers designed to provide protection from the effects of ionizing radiation, including radioactive material
Meaning
2 senses(uncountable)Physical barriers designed to provide protection from the effects of ionizing radiation, including radioactive material
(uncountable)The technology of providing such protection
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable