- pyrocinchonic
- py·ro·cinchonic
English syllables. 2014.
English syllables. 2014.
pyrocinchonic acid — |pī(ˌ)rō+... noun Etymology: pyrocinchonic International Scientific Vocabulary pyr + cinchonic : an unstable dicarboxylic acid C4H6(COOH)2 obtained usually in the form of its crystalline anhydride by pyrolysis of cinchonic acid; dimethyl maleic… … Useful english dictionary