megadose
UK[ˈmeɡəˌdəʊs]US[ˈmeɡəˌdoʊs]
n
a very large dose of a substance, especially a vitamin or drug.
Morpheme Breakdown
mega
dose
mega
large
dose
measured amount
Etymology
the word 'megadose' is a modern english compound formed in the 20th century by combining two greek-derived elements. the prefix 'mega-', from greek 'megas' (great), was adopted into international scientific vocabulary to denote immense scale. it is attached to 'dose', which entered english via latin and french from the greek 'dosis', meaning 'a giving' or 'gift', specifically a measured portion of medicine. the literal construction 'large gift/portion' evolved into the specialized medical and nutritional term for a dose vastly exceeding the standard or recommended amount, reflecting a practice in certain therapeutic or supplemental contexts.
Analysis
Structure: mega (large) + dose (measured amount)
- mega: from greek 'megas', meaning 'great, large'. functions as a combining form to indicate an exceptionally large size or quantity.
- dose: from greek 'dosis', meaning 'a giving, a portion prescribed'. functions as the base noun indicating a measured quantity of a medicine or other substance.
Examples
some alternative medicine practitioners recommend a megadose of vitamin c to combat the common cold.
the toxicology report indicated the patient had ingested a megadose of the prescription medication.
the study examined the effects of a daily megadose of vitamin d over a six-month period.