Inhumation

noun

1. The act of burying in the ground, especially as opposed to incremation; interment.
2. In chem., a method, now obsolete, of digesting substances by burying the vessel containing them in warm earth or manure.
3. The act of inhuming or burying; interment.
4. The act of burying vessels in warm earth in order to expose their contents to a steady moderate heat; the state of being thus exposed.
5. Arenation.