1. Transparent.

2. Pellucid; transparent.

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

• diaphonous,
• siaphanous,
• xiaphanous,
• ciaphanous,
• fiaphanous,
• riaphanous,
• eiaphanous,
• duaphanous,
• djaphanous,
• diaphanouse,
• diaphanouss,
• diophantes,
• diaphonixs,
• Diathereous,
• dicphalous,
• dicephalous,
• diphylous,
• diophanous,
• oleifereous,
• Cimophanous

The adjective form of "diaphanous" is "diaphanous" itself.

The plural form of the word "diaphanous" is also "diaphanous". The word does not change in its plural form.

The singular form of the word "diaphanous" is "diaphanous". The word does not change its form in the singular or plural.