hd -abbr
- head
HD -abbr
- heavy-duty
- high-definition
HDL [,āch-(,)dē-'el] -n
- a lipoprotein of blood plasma that is composed of a high proportion of protein with little triglyceride and cholesterol and that is correlated with reduced risk of atherosclerosis called also good cholesterol
HDPE -abbr
- high-density polyethylene
HDTV -abbr
- high-definition television
hdwd -abbr
- hardwood