1. Resembling a sieve. Ethmoid bone, a bone at the root of the nose, between the two orbits of the eye.

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

• wthmoidal,
• sthmoidal,
• dthmoidal,
• rthmoidal,
• 4thmoidal,
• 3thmoidal,
• erhmoidal,
• efhmoidal,
• eghmoidal,
• eyhmoidal,
• etmoidal,
• ethmidal,
• ethmodal,
• ethmoial,
• Ethomoidal,
• Etomoidal,
• Ethmoatal,
• Ethmoidle,
• Ethmoidol,
• Etmoidial

• immortal.

The adjective form of the word "Ethmoidal" is "ethmoid".

The plural form of the word "Ethmoidal" is "Ethmoidals".

The singular form of the word "Ethmoidal" is "Ethmoid"