Caustic

Caustic most commonly refers to:

• Causticity, the property of being able to corrode organic tissue
• Sodium hydroxide, sometimes called caustic soda
• Potassium hydroxide, sometimes called caustic potash
• Calcium oxide, sometimes called caustic lime

Caustic may also refer to:

• Caustic (band), an American industrial/powernoise band
• Caustic (mathematics), the envelope of rays reflected or refracted by a manifold
• Caustic (optics), optic phenomenon due to light rays reflecting/refracting through curved surfaces/objects
• Caustic Graphics, a graphics technology developer, part of Imagination Technologies
• Caustic Window, an alias of Aphex Twin (electronic musician Richard D. James)
• A playable character in the battle royale game Apex Legends