Reference meaning
SDH
Last updated
Initialism of synchronous digital hierarchy.
Other meanings
2. noun
Initialism of subdural hematoma.
3. noun
Initialism of subtitles for the deaf and hard of hearing.
Source and scope
This definition is reproduced from English Wiktionary, sense en-SDH-en-noun-COZTzR3Q, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.