acrogen
21Brown Lignite — Coal Coal (k[=o]l), n. [AS. col; akin to D. kool, OHG. chol, cholo, G. kohle, Icel. kol, pl., Sw. kol, Dan. kul; cf. Skr. jval to burn. Cf. {Kiln}, {Collier}.] 1. A thoroughly charred, and extinguished or still ignited, fragment from wood or… …
22Caking coal — Coal Coal (k[=o]l), n. [AS. col; akin to D. kool, OHG. chol, cholo, G. kohle, Icel. kol, pl., Sw. kol, Dan. kul; cf. Skr. jval to burn. Cf. {Kiln}, {Collier}.] 1. A thoroughly charred, and extinguished or still ignited, fragment from wood or… …
23Calamite — Cal a*mite, n. [L. calamus a reed: cf. F. calamite.] (Paleon.) A fossil plant of the coal formation, having the general form of plants of the modern {Equiseta} (the Horsetail or Scouring Rush family) but sometimes attaining the height of trees,… …
24Cannel coal — Coal Coal (k[=o]l), n. [AS. col; akin to D. kool, OHG. chol, cholo, G. kohle, Icel. kol, pl., Sw. kol, Dan. kul; cf. Skr. jval to burn. Cf. {Kiln}, {Collier}.] 1. A thoroughly charred, and extinguished or still ignited, fragment from wood or… …
25Carboniferous — Car bon*if er*ous (k[aum]r b[o^]n*[i^]f [ e]r*[u^]s), a. [Carbon + ferous.] Producing or containing carbon or coal. [1913 Webster] {Carboniferous age} (Geol.), the age immediately following the Devonian, or Age of fishes, and characterized by the …
26Carboniferous age — Carboniferous Car bon*if er*ous (k[aum]r b[o^]n*[i^]f [ e]r*[u^]s), a. [Carbon + ferous.] Producing or containing carbon or coal. [1913 Webster] {Carboniferous age} (Geol.), the age immediately following the Devonian, or Age of fishes, and… …
27Carboniferous formation — Carboniferous Car bon*if er*ous (k[aum]r b[o^]n*[i^]f [ e]r*[u^]s), a. [Carbon + ferous.] Producing or containing carbon or coal. [1913 Webster] {Carboniferous age} (Geol.), the age immediately following the Devonian, or Age of fishes, and… …
28Coal — (k[=o]l), n. [AS. col; akin to D. kool, OHG. chol, cholo, G. kohle, Icel. kol, pl., Sw. kol, Dan. kul; cf. Skr. jval to burn. Cf. {Kiln}, {Collier}.] 1. A thoroughly charred, and extinguished or still ignited, fragment from wood or other… …
29coal basins — Coal Coal (k[=o]l), n. [AS. col; akin to D. kool, OHG. chol, cholo, G. kohle, Icel. kol, pl., Sw. kol, Dan. kul; cf. Skr. jval to burn. Cf. {Kiln}, {Collier}.] 1. A thoroughly charred, and extinguished or still ignited, fragment from wood or… …
30Coal bed — Coal Coal (k[=o]l), n. [AS. col; akin to D. kool, OHG. chol, cholo, G. kohle, Icel. kol, pl., Sw. kol, Dan. kul; cf. Skr. jval to burn. Cf. {Kiln}, {Collier}.] 1. A thoroughly charred, and extinguished or still ignited, fragment from wood or… …