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Rochelle powder

British  
/ rɒˈʃɛl /

noun

  1. another name for Seidlitz powder

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Rochelle powder

C18: named after La Rochelle , French port

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Major made the sage remark that there was nothing in the world so good for all sorts of excitement as a Rochelle powder.

From Project Gutenberg

The case is the same with Rochelle powders.

From Project Gutenberg