ＨＤ

also: エイチディー · エッチディー

Freq.FrequencyTop 10,000

Meanings

Refers to high-definition video or image quality. Common in contexts like TV, monitors, and cameras.

Computing term for a hard disk drive. Often used in compound terms like ＨＤＤ.

hemodialysis

Medical abbreviation for hemodialysis. Used in clinical settings; the full term is 血液透析.

ＨＤで撮るえいちでぃーでとるto shoot (video/photo) in HD
このカメラはＨＤで撮さつ影えいできる。
This camera can shoot in HD.
ＨＤに保存するえいちでぃーにほぞんするto save (data) to the hard disk
写しゃ真しんをＨＤに保ほ存ぞんした。
I saved the photos to the hard disk.
ＨＤを受けるえいちでぃーをうけるto undergo hemodialysis
彼かれは週しゅうに三さん回かいＨＤを受うけている。
He undergoes hemodialysis three times a week.
ＨＤモデルa heavy-duty model (of equipment)
このタイヤはＨＤモデルです。
This tire is a heavy-duty model.
〈会社名かいしゃめい〉ＨＤえいちでぃーused after a company name to mark it as a holding company
ソフトバンクＨＤは持もち株かぶ会がい社しゃです。
SoftBank HD is a holding company.

血けつ液えき透とう析せき sense 3
ＨＤ is the clinical abbreviation used in charts and conversation, while 血液透析 is the full, formal medical term for hemodialysis.
ホールディングス sense 5
ＨＤ is the shortened form used as a company-name suffix, while ホールディングス is the full katakana word for 'holdings' it stands for.

ＨＤＤ sense 2
ＨＤＤ specifically means a hard disk drive, whereas ＨＤ can refer to a hard disk or to several unrelated things like high definition or hemodialysis.
フルHD sense 1
フルＨＤ names a specific resolution standard (1080p), while ＨＤ alone is a broader, less precise term for high definition.

Abbreviation of English 'high definition', 'hard disk', 'hemodialysis', 'heavy-duty', and 'Holdings'. The reading is the English letter names.