Definition

1. Adjective:

   • Causing blisters: A substance or agent that has the property of raising blisters on the skin.

2. Noun:

   • A chemical agent that causes blistering: A substance, especially one used in chemical warfare like mustard gas, that causes severe skin irritation and the formation of blisters.

Usage Examples

• Adjective:

  • The plant's sap has a vesicatory effect, so avoid touching it with bare hands.
  • Mustard gas is known for its powerful vesicatory properties.

• Noun:

  • The soldiers were exposed to a vesicatory during the attack.
  • Historically, some vesicatories were used in medicine to counter inflammation.

Advanced Usage

• Medical/Historical Context: The term is often used in medical history or discussions of chemical weapons to describe the blistering effect.
  • The use of vesicatory agents in warfare is now prohibited by international treaties.

Variants and Related Words

• Vesicant (noun/adjective): A synonym with identical meaning, often used interchangeably.
  • Mustard gas is a potent vesicant.
• Vesicate (verb): To blister; to cause blisters to form.
  • The chemical can vesicate the skin upon contact.

Synonyms

• Blistering agent (noun)
• Epispastic (adjective/noun, chiefly medical/archaic)

Notes on Meaning

• The primary and most common use of "vesicatory" relates to harmful, blister-causing chemicals, particularly in a military or hazardous context. Its historical medical use (e.g., applying a blistering plaster to draw out infection) is now largely obsolete.

Adjective

1. causing blisters

Noun

1. a chemical agent that causes blistering (especially mustard gas)