shielding -- (a shield of lead or concrete intended as a barrier to radiation emitted in nuclear decay)
shielding -- (shield consisting of an arrangement of metal mesh or plates designed to protect electronic equipment from ambient electromagnetic interference)
Overview of verb shield
The verb shield has 2 senses
shield, screen -- (protect, hide, or conceal from danger or harm)
harbor, harbour, shield -- (hold back a thought or feeling about; "She is harboring a grudge against him")