1. Having only one axis; developing along a single line or plane 
2. Having but one optic axis, or line of no double refraction

Encyclopedia: Uniaxial

• cryptogamic
• cryptogamous
• cryptogram
• Cryptogramma
• Cryptogramma acrostichoides
• Cryptogramma crispa
• Cryptogrammataceae
• cryptograph
• cryptographer
• cryptographic
• cryptographical
• cryptographically
• cryptography
• cryptologic
• cryptological
• cryptologist
• cryptology
• Cryptomeria
• Cryptomeria japonica
• cryptomonad
• cryptonym
• Cryptophyceae
• Cryptophyta
• cryptophyte
• Cryptoprocta