red vitriol
now historical
noun
1 Chemistry a red oxide of iron; ferric oxide.
2 Mineralogy = bieberite; cobalt (ii) sulphate.
Origin
Late 15th century; earliest use found in Surgical Treatise.
- praeterist
- praeternatural
- praetexta
- praetor
- praetorial
- praetorian
- praetorian guard
- praetorianism
- Praetorian Prefect
- Praetorian prefecture
- praetorium
- praetorship
- prag
- praggin
- Pragian
- pragmalinguistic
- pragmalinguistics
- pragmatic
- pragmatica
- pragmatical
- pragmatically
- pragmaticalness
- pragmaticism
- pragmaticist
- pragmatics