calcar

Tanımlar (İngilizce)

1. isim A small oven or furnace, used for the calcination of sand and potash, and converting them into frit.
2. isim A spur-like projection.

   “... a calcar, the apical spine of the inner series must in many of the species be also considered as such, since the appearance of both, and their position as regards the calcaria, are precisely similar. This apical spine of the inner[…]”