SDH may refer to:

Biology and medicine

Serine dehydratase Serine (symbol Ser or S) is an α- amino acid that is used in the biosynthesis of proteins. It contains an α- amino group (which is in the protonated − form under biological conditions), a carboxyl group (which is in the deprotonated − ...

* Sorbitol dehydrogenase * L-sorbose 1-dehydrogenase *

Subdural haematoma A subdural hematoma (SDH) is a type of bleeding in which a collection of blood—usually but not always associated with a traumatic brain injury—gathers between the inner layer of the dura mater and the arachnoid mater of the meninges surroun ...

Succinate dehydrogenase Succinate dehydrogenase (SDH) or succinate-coenzyme Q reductase (SQR) or respiratory complex II is an enzyme complex, found in many bacterial cells and in the inner mitochondrial membrane of eukaryotes. It is the only enzyme that participates ...

Organizations and places

St David's Hall St David's Hall () is a performing arts and conference venue in the heart of Cardiff, Wales. St David's Hall is the National Concert Hall and Conference Centre of Wales. It hosts the annual Welsh Proms and the biennial BBC Cardiff Singer of t ...

Social Democrats of Croatia The Social Democratic Party of Croatia (, SDP) is a social democratic political party in Croatia. The SDP is anti-fascist, progressive, and strongly pro-European. The SDP was formed in 1990 as the successor of the League of Communists of Croat ...

Society for Digital Humanities A society () is a group of individuals involved in persistent social interaction or a large social group sharing the same spatial or social territory, typically subject to the same political authority and dominant cultural expectations. Soc ...

* Sydney Dental Hospital

Transportation

Sudbury Hill Harrow railway station Sudbury Hill Harrow railway station is a National Rail station on the Chiltern Main Line in the London Borough of Harrow in northwest London. The station is served by Chiltern Railways trains from Marylebone towards High Wycombe and Birmingha ...

, England, National Rail station code

Other

Shubnikov–de Haas effect An oscillation in the Electrical conductivity, conductivity of a material that occurs at low temperatures in the presence of very intense magnetic fields, the Shubnikov–de Haas effect (SdH) is a macroscopic manifestation of the inherent quantum me ...

Social Determinants of Health The social determinants of health (SDOH) are the economic and social conditions that influence individual and group differences in health status. They are the health promoting factors found in one's living and working conditions (such as the dist ...

Southern Kurdish Southern Kurdish () is one of the dialects of the Kurdish language, spoken predominantly in northeastern Iraq and western Iran. The Southern Kurdish-speaking region spans from Khanaqin in Iraq to Dehloran southward and Asadabad eastward in ...

, by ISO 639-3 code * Subtitles for the deaf and hard-of-hearing *

Synchronous digital hierarchy Synchronous Optical Networking (SONET) and Synchronous Digital Hierarchy (SDH) are standardized protocols that transfer multiple digital bit streams synchronously over optical fiber using lasers or highly coherent light from light-emitting diod ...

, in telecommunications {{disambiguation