different between catlinite vs pipeclay

English

Etymology

Catlin +? -ite, after George Catlin, an American traveller.

Noun

catlinite (countable and uncountable, plural catlinites)

1. A red clay from the Upper Missouri region, used by the natives for their pipes.

English

Etymology

pipe +? clay

Pronunciation

Noun

pipeclay (countable and uncountable, plural pipeclays)

1. catlinite

Synonyms

• pipestone

Verb

pipeclay (third-person singular simple present pipeclays, present participle pipeclaying, simple past and past participle pipeclayed)

1. (transitive) To whiten by application of pipeclay.
   • 1914, James Joyce, An Encounter (in Dubliners)

     I sat up on the coping of the bridge admiring my frail canvas shoes which I had diligently pipeclayed overnight and watching the docile horses pulling a tramload of business people up the hill.

   • 1938, Xavier Herbert, Capricornia, Chapter VII, p. 92, [1]

     The walls were lined with paper-bark, pipe-clayed and panelled with polished bloodwood.

2. (transitive, slang, dated, Britain) To clear off.

   to pipeclay accounts