NeoDict for iPhone.

Available free in the App Store

View
NeoDict for Android.

Available free in the Play Store

View
English Dictionary
▪ dynastic▪ dynasty▪ dyne▪ dysdercus▪ dysentery
◊ dyne
dyne
n : a unit of force equal to the force that imparts an
acceleration of 1 cm/sec/sec to a mass of 1 gram