Definition of tragacanthin in English:

tragacanthin

(also tragacanthine)

noun

  • Originally: a principal constituent of tragacanth and other gums, having the property of swelling in water (now disused). Now: the water-soluble polysaccharide component of tragacanth.

Origin

Early 19th century; earliest use found in John Paris (bap. 1785, d. 1856), physician and author. From tragacanth + -in.

Pronunciation

tragacanthin

/traɡəˈkanθɪn/