From Wikipedia, the free encyclopedia

Latency or latent may refer to:

Science and technology[edit]

  • Latent heat, energy released or absorbed, by a body or a thermodynamic system, during a constant-temperature process
  • Latent variable, a variable that is not directly observed but inferred in statistics

Biology and medicine[edit]

  • Latency period or latent period, the time between development of a disease or exposure to a pathogen, chemical, or radiation and when symptoms first become apparent (e.g. latent tumor) or when the disease becomes infectious (e.g. infectious disease)
  • Latent homosexuality, a term proposed by Sigmund Freud
  • Sleep onset latency, the time it takes a person to fall asleep
  • Virus latency, the ability of a virus to remain dormant


Other uses[edit]

  • Latency stage, a term coined by Sigmund Freud for a stage in a child's psychosexual development
  • Latent Recordings, an independent Canadian record label
  • Nuclear latency, the condition of a country capable of developing nuclear weapons but not yet possessing them