1. Preceding and preparing for something
   - preparatory, propaedeutic

See also: preceding, prepare

• Diana
• Diane de Poitiers
• Diangus gratianopolitanus
• dianoetic
• Dianthus
• Dianthus barbatus
• Dianthus caryophyllus
• Dianthus chinensis
• Dianthus chinensis heddewigii
• Dianthus deltoides
• Dianthus latifolius
• Dianthus plumarius
• Dianthus supurbus
• diapason
• diapason stop
• diapause
• diapedesis
• diapensia
• diapensia family
• Diapensiaceae
• Diapensiales
• diaper
• diaper dermatitis
• diaper rash
• diaphanous