( n. )
A dark blue substance obtained from wood tar. It consists of hydrocarbons which when oxidized form the orange-yellow eupittonic compounds, the salts of which are dark blue.
( n. )
A dark blue substance obtained from wood tar. It consists of hydrocarbons which when oxidized form the orange-yellow eupittonic compounds, the salts of which are dark blue.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012