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Adjective: preclinical  pree'kli-ni-kul
  1. Of or relating to the early phases of a disease when accurate diagnosis is not possible because symptoms of the disease have not yet appeared
    "This work covers effectively all aspects of drug-induced pathology that may be encountered within preclinical toxicity studies";
    - presymptomatic

Encyclopedia: Preclinical

Nearest

precipitousness
précis
precise
precisely
preciseness
precisian
precisianism
precision
precision cookie
precision rifle
preclinical
preclinical phase
preclinical test
preclinical trial
preclude
preclusion
preclusive
precocial
precocious
precocious dentition
precociously