1. the acts or instances of being completely covered with or going under water or another liquid
2. the acts of putting something completely under water or another liquid

Examples

• The submarine’s repeated submersions helped the crew practice emergency procedures.
• Multiple submersions in the baptismal pool were part of the ceremony.
• The scientist recorded the submersions of various materials in the chemical solution.
• After several submersions, the fabric was completely saturated with dye.
• The documentary showed the submersions of ancient cities due to rising sea levels.
• Complete submersions of the equipment were necessary for proper cleaning.