1. Uncertain of all claims to knowledge
   - agnostic

See also: agnostic, nescient, unbelieving

• diastole
• diastolic
• diastolic pressure
• diastrophism
• diatessaron
• diathermy
• diathermy machine
• diathesis
• diatom
• diatomaceous earth
• diatomic
• diatomite
• Diatomophyceae
• diatonic
• diatonic scale
• diatribe
• Diaz
• diazepam
• diazo
• diazonium
• diazotise
• diazotize
• diazoxide
• dibasic
• dibasic acid