Tetanic /(?)/

Te·tan·ic

Tetanic

a.
  1. Of or pertaining to tetanus; having the character of tetanus; as, a tetanic state; tetanic contraction. (Physiol.)
    This condition of muscle, this fusion of a number of simple spasms into an apparently smooth, continuous effort, is known as tetanus, or tetanic contraction.
    — Foster.
  2. Producing, or tending to produce, tetanus, or tonic contraction of the muscles; as, a tetanic remedy. See Tetanic, n. (Physiol. & Med.)

Tetanic

n.
  1. A substance (notably nux vomica, strychnine, and brucine) which, either as a remedy or a poison, acts primarily on the spinal cord, and which, when taken in comparatively large quantity, produces tetanic spasms or convulsions. (Physiol. & Med.)