1. Too small to be visible to the naked eye

See also: seeable, visible

• chittimwood
• chivalric
• chivalrous
• chivalrously
• chivalry
• chivaree
• chive
• chives
• chivvy
• chivy
• Chiwere
• chlamydeous
• Chlamydera
• Chlamydera nuchalis
• chlamydia
• Chlamydia psittaci
• Chlamydia trachomatis
• Chlamydiaceae
• chlamydial
• Chlamydomonadaceae
• Chlamydomonas
• Chlamydosaurus
• Chlamydosaurus kingi
• chlamydospore
• chlamyphore