HD

¹ American  

abbreviation

1. high-definition; high definition.

   channels that broadcast in HD;

   HD video;

   HD DVDs;

   an HD display on my new tablet.

2. Computers. high definition.

3. Huntington's disease.

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hd. ² American  

abbreviation

1. hand.

2. head.

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h.d. ³ American  

abbreviation

1. (in prescriptions) at bedtime.

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h.d. ⁴ American  

abbreviation

1. heavy duty.

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hd British  

abbreviation

1. hand

2. head

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Etymology

Origin of h.d.

From New Latin hōra dēcubitūs

Example Sentences

Under the best-in-class floodlights at Tottenham, the finale of Saracens v Northampton played out in HD technicolour compared to the relative gloom of Kingston Park and Exeter's win over Newcastle Red Bulls.

From BBC • Mar. 30, 2026

While both providers can bypass geo-restrictions and deliver HD content, Surfshark’s faster speeds, unlimited device support and broad Netflix compatibility give it an edge for users who prioritize high-resolution streaming across multiple devices.

From Salon • Mar. 27, 2026

The Danish drugmaker on Thursday announced the approval of a 7.2 mg dose called Wegovy HD that will be available as a single-dose pen in the U.S.

From MarketWatch • Mar. 19, 2026

Home Depot HD -1.38%decrease; red down pointing triangle reported lower fiscal fourth-quarter profit as economic uncertainty, high interest rates and a stagnant housing market continue to weigh on home-improvement activity.

From The Wall Street Journal • Feb. 24, 2026

Lindsey and Hassan talked about poker and zits and HD and DVR while Colin graphed his past.

From "An Abundance of Katherines" by John Green