(n) drag and drop
(n) (comp) drawing program
(n) (comp) drop down menu
(n) hydroxyapatite
(n) (obsc) hydroxonium ion
(n) brand loyalty
(n) (comp) drawing software
(n) burn-out syndrome
(P)
(n) Peter Pan syndrome
(P)
(n) middle age syndrome
(n) metabolic syndrome
(n) Large Hadron Collider
LHC
(n) tetrahydrocannabinol
THC
(n) metabolic syndrome
(n) (comp) round-robin algorithm
(n) isolation syndrome
(n) (comp) drop-down combo box
(n) (comp) drop-down list box
(n) empty nest syndrome
(n) (comp) Transistor-Diode Logic
TDL
(n) hydrochlorofluorocarbon
HCFC
(n) (comp) non-drop frame time code