D defs.my
Entry 3 senses Webster, 1913

Latency

/lāt'-ən-sē/ · La·ten·cy · IPA /ˈleɪ.tən.si/
01 n. The state or quality of being latent.
  1. 1.
    The state or quality of being latent.
    “To simplify the discussion, I shall distinguish three degrees of this latency.” Sir W. Hamilton.
  2. 2.
    The time between a stimulus the appearance of the response; the time between any causal action and the first appearance of the effect. Called also latent period. Also: latent period
  3. 3.
    The time between exposure to a carcinogen or other disease-causing agent and the appearance of the consequent disease.(Med.)