Etymograph

English

rocuronium

From r(apid) + o(nset) + -curonium (“neuromuscular blocking agent”).

Formed from rapid + onset + -curonium ‘neuromuscular blocking agent’

Latin rapidus ‘swift, seizing’

Middle French rapide

English rapid

Today it means

noun An aminosteroid nondepolarizing neuromuscular blocker used in anesthesia, to facilitate endotracheal intubation, and to provide skeletal muscle relaxation during surgery or mechanical ventilation.

Sources

Sources: Wiktionary, “rocuronium”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / rocuronium