DICT.TW Dictionary Taiwan

 slack·en /ˈslækən/
 (vt.)使鬆弛,放鬆,放慢(vi.)變松馳,減弱,獃滯

 Slack Slack·en v. i. [imp. & p. p. Slacked Slackened p. pr. & vb. n. Slacking, Slackening.]
 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; as, lime slacks.
 4. To abate; to become less violent.
 Whence these raging fires
 Will slacken, if his breath stir not their flames.   --Milton.
 5. To lose rapidity; to become more slow; as, a current of water slackens.
 6. To languish; to fail; to flag.
 7. To end; to cease; to desist; to slake. [Obs.]
    That through your death your lineage should slack.   --Chaucer.
    They will not of that firste purpose slack.   --Chaucer.

 Slack, Slack·en, v. t.
 1. To render slack; to make less tense or firm; as, to slack a rope; to slacken a bandage.
 2. To neglect; to be remiss in. [Obs.]
    Slack not the pressage.   --Dryden.
 3. To deprive of cohesion by combining chemically with water; to slake; as, to slack lime.
 4. To cause to become less eager; to repress; to make slow or less rapid; to retard; as, to slacken pursuit; to slacken industry. “Rancor for to slack.”
 I should be grieved, young prince, to think my presence
 Unbent your thoughts, and slackened 'em to arms.   --Addison.
    In this business of growing rich, poor men should slack their pace.   --South.
 With such delay
 Well plased, they slack their course.   --Milton.
 5. To cause to become less intense; to mitigate; to abate; to ease.
 To respite, or deceive, or slack thy pain
 Of this ill mansion.   --Milton.
 Air-slacked lime, lime slacked by exposure to the air, in consequence of the absorption of carton dioxide and water, by which it is converted into carbonate of lime and hydrate of lime.

 Slack·en n. Metal. A spongy, semivitrifled substance which miners or smelters mix with the ores of metals to prevent their fusion. [Written also slakin.]
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 slacken
      v 1: become slow or slower; "Production slowed" [syn: slow, slow
           down, slow up, slack]
      2: make less active or fast; "He slackened his pace as he got
         tired"; "Don't relax your efforts now" [syn: slack, slack
         up, relax]
      3: become looser or slack; "the rope slackened"
      4: make slack as by lessening tension or firmness [syn: remit]