• noun
• synonym
• antonym

• emission spectrum (noun)
  1. spectrum of electromagnetic radiation emitted by a self-luminous source
• emission trading scheme (noun)
  1. a market-based trading scheme for rights to emit greenhouse gasses that contribute to global warming
• field emission (noun)
  1. the emission of electrons that are stripped from parent atoms by a high electric field
• field-emission microscope (noun)
  1. electron microscope used to observe the surface structure of a solid
• greenhouse emission (noun)
  1. a gas that contributes to the greenhouse effect by absorbing infrared radiation
• infrared emission (noun)
  1. electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
• nocturnal emission (noun)
  1. usually during a dream ejaculation during sleep
• photoelectric emission (noun)
  1. the release or absorption of quanta above a certain energy level
• positron emission tomography (noun)
  1. especially in the brain using a computerized radiographic technique to examine the metabolic activity in various tissues
• positron emission tomography scanner (noun)
  1. a tomograph that produces cross-sectional X-rays of metabolic processes in the body
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