Definition of "embryon" [em•bry•on]

• Archaic form of embryo. (noun)

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• "The affection of the unexperienced and untaught bird to its egg, which induces it to sit days and weeks upon it to warm the enclosed embryon, is a matter of great difficulty to explain; See Additional"
• "At the end of the third week, the embryon is a little less than one-fourth of an inch in length."
• "I see at present that Cromwell had not even the merit of being an embryon."