concretion
- IPA[kənˈkrēSHən]
美式
- a hard solid mass formed by the local accumulation of matter, especially within the body or within a mass of sediment;the process by which matter forms into a concretion.
noun: concretion, plural noun: concretions
- 釋義
名詞
- 1. a hard solid mass formed by the local accumulation of matter, especially within the body or within a mass of sediment a mass of small concretions, each built up layer upon layer around some small nucleus
- ▪ the process by which matter forms into a concretion.
- 更多解釋
- IPA[kənˈkriːʃ(ə)n]
英式
- a hard solid mass formed by the local accumulation of matter, especially within the body or ... nodular concretions of siderite growing within the sediments
Oxford Dictionary
知識+
science自然問題
... ocean trend *3. The rock may melt under very high temperature, and when concretion the color of rock varies. 4. The hard particles in air ...