1. (medicine) difficulty in breathing when upright, relieved by lying flat

Encyclopedia: Platypnea

• diddly
• diddlyshit
• diddlysquat
• diddums
• Didelphidae
• Didelphis
• Didelphis marsupialis
• Didelphis virginiana
• dideoxycytosine
• dideoxyinosine
• Diderot
• didgeridoo
• Didion
• didn't
• dido
• Didrikson
• didst
• didymium
• die
• die away
• die down
• die off
• die out
• die-cast
• dieback