What Types of Radiation Are There? The radiation one typically encounters is one of four types: alpha radiation, beta radiation, gamma radiation, and x radiation. Neutron radiation is also encountered in nuclear power plants and high-altitude flight and emitted from some industrial radioactive sources. Alpha Radiation.
Fatigue: A condition characterized by a lessened capacity for work and reduced efficiency of accomplishment, usually accompanied by a feeling of weariness and tiredness. Fatigue can be acute and come on suddenly or chronic and persist.
tire 1. v. tired, tirÂ·ing, tires. v. intr. 1. To lose energy or strength; grow weary: When you're sick, you tend to tire easily. 2. To grow bored or impatient: The audience tired after the first 30 minutes of the movie. v. tr. 1. To diminish the energy or strength; fatigue: The long walk tired me.2.. tired, tirÂ·ing, tires. v. intr. 1. To lose energy or strength; grow weary: When you're sick, you tend to tire easily. 2. To grow bored or impatient: The audience tired after the first 30 minutes of the movie. v. tr. 1. To diminish the energy or strength; fatigue: The long walk tired me. 2.