Oxford clay
Geology
noun
A stiff grey-blue fossiliferous Jurassic clay found in central England.
Origin
Early 19th century.
- Signorina
- signory
- sign painter
- signpost
- signpostless
- sign process
- sign situation
- sign someone in (or out)
- sign someone off
- sign someone on
- sign someone up
- sign something away/over
- sign something out
- sign speech
- sign stimulus
- sign symbol
- sign system
- sign talk
- sign test
- signum
- signum pantheum
- sign up
- sign vehicle
- sign word
- signwriter