English to English

noun (n)

• the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli

  the elastis ketegangan hidup otot, arteri, dll. itu memudahkan tanggapan terhadap rangsangan

  Example:
  The doctor tested my tonicity.
  

  Synonym:
  tone, tonus
  Antonym:
  amyotonia, atonia, atonicity, atony
  

  source: wordnet30
• The state of healthy tension or partial contraction of muscle fibers while at rest; tone; tonus.

  keadaan sehat ketegangan atau separa kontraksi otot serat sementara saat istirahat; nada; tonus.

  source: webster1913