extumescence

== English == === Etymology === From Latin ex + tumescens, present participle of tumescere, inchoate from tumere (“to swell”). Compare French extumescence. === Noun === extumescence (plural extumescences) A swelling or rising. === References === “extumescence”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.