Checking saved dictionary data and trusted language sources. This will stop automatically if a source does not respond.
Pronunciation varies by accent · noun
(mineralogy) A soft, compact variety of talc, being an altered pyroxene, sometimes worked in a lathe into inkstands and other articles, found in New York and Canada..
1840, https://books.google.co.uk/books?id=OrqB7elAQrwC&pg=PA321&lpg=PA321&dq=%22rensselaerite%22&source=bl&ots=pj8PiIHqLW&sig=TtiKA3EELWApIeKjjdL3aE3kX0E&hl=en&sa=X&ved=0ahUKEwjfx4SR_p7TAhULD8AKHfJxAOA4FBDoAQhAMAk#v=onepage&q=%22rensselaerite%22&f=false ("Assembly: State of New York, Issue 50", published 1840, digitised 2010). To this I may subjoin Rensselaerite, which frequently occurs in thick, heavy beds in connexion with the above.
Use rensselaerite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Rensselaerite means (mineralogy) A soft, compact variety of talc, being an altered pyroxene, sometimes worked in a lathe into inkstands and other articles, found in New York and Canada..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
1840, https://books.google.co.uk/books?id=OrqB7elAQrwC&pg=PA321&lpg=PA321&dq=%22rensselaerite%22&source=bl&ots=pj8PiIHqLW&sig=TtiKA3EELWApIeKjjdL3aE3kX0E&hl=en&sa=X&ved=0ahUKEwjfx4SR_p7TAhULD8AKHfJxAOA4FBDoAQhAMAk#v=onepage&q=%22rensselaerite%22&f=false ("Assembly: State of New York, Issue 50", published 1840, digitised 2010). To this I may subjoin Rensselaerite, which frequently occurs in thick, heavy beds in connexion with the above.
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.