I. ˈvesə̇kənt noun
( -s )
Etymology: Latin vesica bladder, blister + English -ant, n. suffix
1. : an agent (as a drug or a plant substance) that induces blistering
2. : a vesicant war gas (as mustard gas or lewisite) — called also blister gas
II. adjective
Etymology: Latin vesica + English -ant, adjective suffix
: producing or tending to produce blisters