Word Meanings - SLAKIN - Book Publishers vocabulary database

Slacken.

SLACKEN
A spongy, semivitrifled substance which miners or smelters mix
SLACK; SLACKEN
1. To become slack; to be made less tense, firm, or rigid; to decrease in tension; as, a wet cord slackens in dry weather. 2. To be remiss or backward; to be negligent. 3. To lose cohesion or solidity by a chemical combination with water; to slake;