dose-dependent
UK[ˌdəʊs dɪˈpendənt]US[ˌdoʊs dɪˈpendənt]
adj
describing an effect whose magnitude or occurrence is determined by the size of the dose administered.
Morpheme Breakdown
dose
dependent
dose
quantity
dependent
relying on
Etymology
the term is a modern scientific compound, primarily from the 20th century, built from classical roots. the first element, 'dose', originates from the greek 'dosis', meaning 'a giving' or 'gift', which evolved in medical latin to signify a prescribed quantity of medicine. the second element, 'dependent', derives from the latin verb 'dependere', literally 'to hang down from', which developed the figurative sense of being conditioned or determined by something else. when combined, the compound literally means "hanging from or conditioned by the quantity given," creating a precise adjective to describe a phenomenon in pharmacology and toxicology where the outcome is a function of the administered amount.
Analysis
Structure: dose (quantity) + dependent (relying on)
- dose: from greek 'dosis' (a giving, a portion prescribed), via latin and middle english. functions as a noun root meaning a measured quantity.
- dependent: from latin 'dependere' (to hang down, be dependent on), via old french. the suffix '-ent' forms an adjective. functions as an adjective-forming suffix indicating a state or condition.
Examples
the drug's side effects are dose-dependent, increasing in severity with higher amounts.
researchers observed a clear dose-dependent relationship in the efficacy of the new treatment.
the physician adjusted the prescription due to its dose-dependent toxicity.