nigrine
/ˈnɪɡriːn/ /ˈnʌɪɡriːn/Mineralogy
noun
A black variety of rutile containing iron.
Origin
Early 19th century; earliest use found in Robert Jameson (1774–1854), geologist and natural historian. From German Nigrin from classical Latin nigr-, niger black + German -in.
- prosperity budget
- Prospero
- prosperous
- prosperous-looking
- prosperously
- prosperousness
- prosphora
- prospicience
- prospicient
- prosporangium
- pross
- prossie
- prossy
- prost
- prostacyclin
- prostaglandin
- Prost, Alain
- prostanoic acid
- prostanoid
- prostaphairesis
- prostatalgia
- prostate
- prostatectomy
- prostate gland
- prostate-specific antigen