HD

abbreviation

1. harbor defense

2. heavy-duty

3. high density

4. home defense

5. horse-drawn

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abbrev

Heavy-duty

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HD 8 [HD] [ˌeɪtʃ ˈdiː] [ˌeɪtʃ ˈdiː] abbreviation

high-definition (used of television, film or video images that are extremely high quality, with very clear, sharp outlines and details)

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The film was shot in HD.

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HD-ready television sets