Allen screwAllen screw /ˈælən skruː/ noun [countable] 
a type of screw with a hole that has six sides
a type of screw with a hole that has six sides- discuss
- discussion
- discussion list
- disdain
- disdainful
- disdainfully
- disease
- diseased
- disembark
- disembarkation
- disembodied
- disembowel
- disembowelment
- disenchanted
- disenchantment
- disenfranchise
- disenfranchised
- disenfranchisement
- disengage
- disengaged
- disengagement
- disentangle
- disequilibrium
- disestablish
- disfavour