The Age of Acrogens
Acrogen Ac"ro*gen, n. [Gr. 'a`kros extreme, high + -gen.] (Bot.) A plant of the highest class of cryptogams, including the ferns, etc. See {Cryptogamia}. [1913 Webster]

{The Age of Acrogens} (Geol.), the age of coal plants, or the carboniferous era. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Age of a tide — Age Age ([=a]j), n. [OF. aage, eage, F. [^a]ge, fr. L. aetas through a supposed LL. aetaticum. L. aetas is contracted fr. aevitas, fr. aevum lifetime, age; akin to E. aye ever. Cf. {Each}.] 1. The whole duration of a being, whether animal,… …   The Collaborative International Dictionary of English

  • Age of coal plants — 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… …   The Collaborative International Dictionary of English

  • Age — ([=a]j), n. [OF. aage, eage, F. [^a]ge, fr. L. aetas through a supposed LL. aetaticum. L. aetas is contracted fr. aevitas, fr. aevum lifetime, age; akin to E. aye ever. Cf. {Each}.] 1. The whole duration of a being, whether animal, vegetable, or… …   The Collaborative International Dictionary of English

  • Moon's age — Age Age ([=a]j), n. [OF. aage, eage, F. [^a]ge, fr. L. aetas through a supposed LL. aetaticum. L. aetas is contracted fr. aevitas, fr. aevum lifetime, age; akin to E. aye ever. Cf. {Each}.] 1. The whole duration of a being, whether animal,… …   The Collaborative International Dictionary of English

  • Carboniferous 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… …   The Collaborative International Dictionary of English

  • To haul over the coals — 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… …   The Collaborative International Dictionary of English

  • Acrogen — Ac ro*gen, n. [Gr. a kros extreme, high + gen.] (Bot.) A plant of the highest class of cryptogams, including the ferns, etc. See {Cryptogamia}. [1913 Webster] {The Age of Acrogens} (Geol.), the age of coal plants, or the carboniferous era. [1913… …   The Collaborative International Dictionary of English

  • 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 characterized by the …   The Collaborative International Dictionary of English

  • Carboniferous 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… …   The Collaborative International Dictionary of English

  • Anthracite — 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… …   The Collaborative International Dictionary of English

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