drug-coated
UK[drʌɡ ˈkəʊtɪd]US[drʌɡ ˈkoʊtɪd]
adj
(of a medical device, especially a stent or balloon) having a surface covered with a pharmaceutical substance designed to be released slowly.
Morpheme Breakdown
drug
coat
ed
drug
substance
coat
cover
ed
adjective suffix
Etymology
The compound adjective "drug-coated" is a modern, transparent formation from established English roots. "Drug" entered English via French and Dutch trade terms for dried medicinal plants, later generalizing to any pharmacological agent. "Coat" derives from a Frankish term for a garment, evolving to mean any covering layer. The suffix "-ed" is a native English participial marker. The term's logic is entirely literal, describing a physical object (like a stent) that has been covered with ("coated") a layer of medicine ("drug"), a concept central to controlled-release medical technology.
Analysis
Structure: drug (substance) + coat (cover) + ed (adjective suffix)
- drug: From Middle English drogge, from Old French drogue, of uncertain origin, possibly from Middle Dutch droge. Functions as the core noun, specifying the active substance.
- coat: From Middle English cote, from Old French cote, from Frankish kotta ("coarse cloth"). Functions as a verb root meaning to cover or apply a layer.
- ed: From Old English -ed, -od, -ad, a past participle suffix. Functions to form a participial adjective from the verb phrase "to coat."
Examples
The drug-coated stent helps prevent the artery from becoming blocked again.
New drug-coated balloons offer a promising treatment for peripheral artery disease.
A key advantage of the device is its drug-coated surface, which reduces inflammation.