radiation

/ˌreɪdiˈeɪʃən/B2Loopy word list, level 3 · Core

Definition

  • n. energy that is radiated or transmitted in the form of rays or waves or particles
  • n. the act of spreading outward from a central source
  • n. the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
  • n. the spread of a group of organisms into new habitats

Word forms

Plural
radiations

Example sentences

  1. n.

    The doctor explained that too much radiation can be harmful to our health.

  2. n.

    The scientist studied the effects of radiation on living cells.