hd

As an initialism hd

is high-definition.

As a letter d is

the fourth letter of the.

As a numeral d is

cardinal number five hundred (500).

As a symbol d is

deuterium, when it needs to be distinguished from ordinary hydrogen.

As initialisms the difference between bf and hd

is that bf is boyfriend while HD is high-definition.

As a noun ad

is advertisement.

As a preposition ad

is to, toward.

As an initialism HD is

high-definition.

As a noun cd

is (astronomy) a type of giant elliptical galaxy.

As an initialism hd is

high-definition.

As an initialism hd

is high-definition.

As a symbol gt is

gigatavu; gb (gigabyte).

As an initialism HD

is high-definition.

As an acronym RAM is

random access memory.

As a noun ram is

a male sheep.

As a verb ram is

to intentionally collide with (a ship) with the intention of damaging or sinking it.

As a proper noun Ram is

the constellation Aries.

K is likely misspelled.

K has no English definition.

As an initialism HD

is high-definition.

As an adjective digital

is having to do with digits (fingers or toes); performed with a finger.

As a noun digital

is (finance) a digital option.

As an initialism hd is

high-definition.

As a noun polyester

is polyester.

As an initialism hd is

high-definition.

As initialisms the difference between ssd and hd

is that ssd is (electronics) while hd is high-definition.