HD

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Related to hepatitis D: hepatitis G, Hepatitis F

HD

A prefix used to designate a star as listed in the Henry Draper Catalog.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

HD

On drawings, abbr. for head.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

HD

This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

HD

(1) See HD Radio and HD audio.

(2) (High Definition) HD often refers to a high-resolution digital TV (see HDTV). The HD designation is also used with many TV/video formats (see HD analog formats and HD formats).

(3) (Hard Disk, Hard Drive) For example, a 500GB HD is a 500 gigabyte hard disk. FD means floppy disk; now a distant memory. See hard disk, magnetic disk and floppy disk.

(4) (High Density) HD and DD (double density) were used in floppy disk designations. For example, 3.5" 1.44MB HD and 720KB DD or 5.25" 1.2MB HD and 360K DD. See floppy disk.

(5) (High Definition) A screen resolution of 1280 x 720 pixels. HD+ is 1480x720. See DTV, FHD, 720p and screen resolution.


HD and HD+ Screen Resolutions
In the Galaxy S7 smartphone (top) and S8 (bottom), the screen resolution can be reduced to save battery.
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References in periodicals archive ?
This report provides comprehensive information on the therapeutic development for Hepatitis D, complete with comparative analysis at various stages, therapeutics assessment by drug target, mechanism of action (MoA), route of administration (RoA) and molecule type, along with latest updates, and featured news and press releases.
Hepatitis D can be detected by a simple blood test for antibody to the virus and by a positive test for hepatitis B; both must be positive to be sure that the hepatitis D virus is present.
Hepatitis D can develop in people carrying Hepatitis B.
[USPRwire, Wed Jan 14 2015] Global Markets Direct's, 'Hepatitis D - Pipeline Review, H2 2014', provides an overview of the Hepatitis D's therapeutic pipeline.