n. (a) The process by which anything is disintegrated; the condition of anything which is disintegrated. Specifically (b) (Geol.) The wearing away or falling to pieces of rocks or strata, produced by atmospheric action, frost, ice, etc. [ 1913 Webster ]
Society had need of further disintegration before it could begin to reconstruct itself locally. Motley. [ 1913 Webster ]
[钫 / 鈁, fāngㄈㄤ] francium Fr, unstable alkali metal 鹼性金屬|碱性金属 with atomic number 87, disintegration product of actinium 錒|锕, See Also: 鹼性金屬, 碱性金属, 錒, 锕#56032