1. A term applied to the earlier tertiary deposits, in which the first traces appear of organic remains of existing species of animals.

2. A rock belonging to this period.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• cocine,
• escence,
• essene,
• ocena,
• licene,
• escenes,
• ocone,
• eopen,
• obcene,
• ocens,
• sicene,
• secene,
• escene,
• eguene,
• ascene,
• escepe,
• recene,
• evcen,
• ecent,
• oceane

• ocean,
• scene,
• eosin,
• ozone.

The adjective form of the word "Eocene" is "Eocenic".

The plural form of the word "eocene" is "eocenes".

The singular form of the word "eocene" is "eocene".