What's the difference between enneagon and nonagon?
Enneagon
Definition:
(n.) A polygon or plane figure with nine sides and nine angles; a nonagon.
Example Sentences:
(1) Hexagons and pentagons were found but no evidence of other polygons (up to enneagon) was obtained.
Nonagon
Definition:
(n.) A figure or polygon having nine sides and nine angles.
Example Sentences:
(1) It is concluded that the initial stored energy for defibrillation and cardioversion of nonagonal patients in a coronary care unit may be limited to 200 J (160 J delivered energy), even with atrial fibrillation after drug therapy in which case an initial energy level of 200 J seems more appropriate.
(2) There were two episodes of nonagonal, sustained ventricular tachycardia or fibrillation, both in patients treated by the selective strategy (1.2%, p = NS).