extumescence

From Latin ex + tumescens, present participle of tumescere, inchoate from tumere (“to swell”). Compare French extumescence.

extumescence (plural extumescences)

1. A swelling or rising.
   • 1842, Louisa Sidney Stanhope, Rosaline:

     Often did her hand press the soft extumescences growing from the sides

• “extumescence”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.