phosphogypsum
noun
An impure form of gypsum, contaminated mainly with phosphate, which is a by-product of the industrial production of orthophosphoric acid from phosphate rock.
Origin
1950s.
- paragraphic
- paragraphical
- paragraphically
- paragraphism
- paragraphist
- paragraphize
- paragraph mark
- paragraph symbol
- Para grass
- Paraguay
- Paraguayan
- Paraguay River
- Paraguay tea
- paragutta
- paraheliotropic
- paraheliotropism
- parahelium
- parahippocampal
- parahopeite
- parahormone
- parahuman
- parahydrogen
- parahypnosis
- parainfluenza
- parajournalism