Definitions
from The Century Dictionary.
- A fossil cephalopod of the genus Orthoceras or the family Orthoceratidæ. Also
orthoceratoid .
from the GNU version of the Collaborative International Dictionary of English.
- noun (Zoöl.) An orthoceras; also, any fossil shell allied to Orthoceras.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun An orthoceras.
- noun Any
fossil shell allied to Orthoceras.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
ortho- + Ancient Greek a horn.
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Examples
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That region presents a very remarkable loxodromism with the strata of mica-slate, grauwacke, and the orthoceratite limestone of the Alleghenies, and that vast extent of country (latitude 56 to 68°) lately visited by Captain Franklin.
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That region presents a very remarkable loxodromism with the strata of mica-slate, grauwacke, and the orthoceratite limestone of the Alleghenies, and that vast extent of country (latitude 56 to 68 degrees) lately visited by Captain
Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3 Alexander von Humboldt 1814
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