1. A cryptogamic plant which grows by increase in length only, like tree-ferns.

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

• zcrogen,
• scrogen,
• wcrogen,
• qcrogen,
• axrogen,
• avrogen,
• afrogen,
• adrogen,
• aceogen,
• acdogen,
• acfogen,
• arcogen,
• akrogen,
• Acrogon,
• Acrogine,
• Acrogonn,
• Aconogen,
• Acogren,
• Aecrogen,
• Acrogene

• acrosome,
• acrogenic,
• acerose,
• acrocomia,
• acariosis,
• acrogenous,
• acreage.

The adjective form of the word "acrogen" is "acrogenous".

The plural of the "acrogen" can be the "acrogens".

The singular of the "acrogen" can be the "acrogen".