Blis"ter (?), n. [OE.; akin to OD. bluyster, fr. the same root as blast, bladder, blow. See Blow to eject wind.]

1.

A vesicle of the skin, containing watery matter or serum, whether occasioned by a burn or other injury, or by a vesicatory; a collection of serous fluid causing a bladderlike elevation of the cuticle.

And painful blisters swelled my tender hands.
Grainger.

2.

Any elevation made by the separation of the film or skin, as on plants; or by the swelling of the substance at the surface, as on steel.

3.

A vesicatory; a plaster of Spanish flies, or other matter, applied to raise a blister.

Dunglison.

Blister beetle, a beetle used to raise blisters, esp. the Lytta (or Cantharis) vesicatoria, called Cantharis or Spanish fly by druggists. See Cantharis. -- Blister fly, a blister beetle. -- Blister plaster, a plaster designed to raise a blister; -- usually made of Spanish flies. -- Blister steel, crude steel formed from wrought iron by cementation; -- so called because of its blistered surface. Called also blistered steel. -- Blood blister. See under Blood.

© Webster 1913.


Blis"ter, v. i. [imp. & p. p. Blistered (#); p. pr. & vb. n. Blistering.]

To be affected with a blister or blisters; to have a blister form on.

Let my tongue blister.
Shak.

© Webster 1913.


Blis"ter, v. t.

1.

To raise a blister or blisters upon.

My hands were blistered.
Franklin.

2.

To give pain to, or to injure, as if by a blister.

This tyrant, whose sole name blisters our tongue.
Shak.

 

© Webster 1913.

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