VariousWords beta
Noun
Definition: A compound in which tar or asphalt combined with animal or vegetable oils is vulcanized by sulphur, the product closely resembling rubber; formerly used as an insulating material in telegraphy.
VariousWords beta
Definition: A compound in which tar or asphalt combined with animal or vegetable oils is vulcanized by sulphur, the product closely resembling rubber; formerly used as an insulating material in telegraphy.