rufigallic
adjective
rufigallic acid noun a weakly acidic red crystalline substance obtained by heating gallic acid with acids.
Origin
Mid 19th century; earliest use found in William Gregory (1803–1858), chemist and psychic investigator. Apparently from rufi- + gallic, after French acide rufigallique or German Rufigallussäure.
- black clock
- black coal
- black coat
- black-coated
- blackcock
- black cockatoo
- black cod
- black code
- black coffee
- black consciousness
- black cotton soil
- Black Country
- black county
- black crappie
- black crop
- black cumin
- black curlew
- blackcurrant
- blackcurrant gall mite
- blackcurrant mite
- blackcurranty
- blackdamp
- Black Death
- black diamond
- black disease