- a dark-blue dyestuff, the first to be commercially created.
- A dark blue compound gotten from wood-tar. It comprises of hydrocarbons which whenever oxidized form the orange-yellow eupittonic substances, the salts which are dark blue.
- A blue compound utilized in dyeing, originally created from the tar of beech-wood.
Sentence for "pittacal"
- Like indigo, pittacal is believed to…
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