A Degranulation

1. The formation of granules, or of cereal grains.

• The forming of metals into granules by pouring them through a sieve into water while hot.

2. (uncountable) The condition of being granulated.
3. (medicine) Granulated tissue on the surface of a healing wound; granulation tissue.
4. (astronomy) A bright, transient granular marking on the Sun's photosphere.
5. The attachment of granules of precious metal to underlying metal of jewellery.