porcellanite
/pɔːˈsɛlənʌɪt/(also porcelanite)
noun
Geology. Originally: a hardened clay or shale resulting from thermal metamorphism; also called porcelain jasper. Later also: any dense siliceous rock with an appearance resembling unglazed porcelain.
Origin
Late 18th century; earliest use found in Richard Kirwan (1733–1812), chemist and mineralogist. From German Porzellanit from Porzellan + -it.
- Pullman, George Mortimer
- Pullmanize
- Pullman, Philip
- Pullo
- pull-off
- pull-on
- pull oneself together
- pull one's head in
- pull (one's) punches
- pull one's socks up
- pull one's weight
- pull (or bring) a rabbit out of the (or a) hat
- pull (or drag) oneself up by one's (own) bootstraps
- pullorum
- pull (or yank) someone's chain
- pull out
- pull out all the stops
- pull over
- pullover
- pullovered
- pull-quote
- pull rank
- pull round
- pull someone over
- pull someone's chestnuts out of the fire