Browse terms - alphabetical

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Term Definition Contributor Modified
Access to books in libraries No definition provided Christopher Rauch 2023.12.01
AccessURL Attributes of the method for accessing aresource including a URL, name and description. Ryan McGranaghan 2023.04.16
access (Web) ‘access’, in Web world meaning that the name provides a causal pathway to the thing, mediated by the Web. Access has to do with network architecture. . Gary Berg-Cross 2023.03.27
accidental No definition provided Ryan McGranaghan 2023.04.16
Accident insurance No definition provided Christopher Rauch 2023.12.01
Accident law No definition provided Christopher Rauch 2023.12.01
Accidents No definition provided Christopher Rauch 2023.12.01
Accidents--Bibl No definition provided Christopher Rauch 2023.12.01
Accidents--Jurisprudence No definition provided Christopher Rauch 2023.12.01
Accidents--Prevention No definition provided Christopher Rauch 2023.12.01
Acclimatization No definition provided Christopher Rauch 2023.12.01
Acclimatization (Plants) No definition provided Christopher Rauch 2023.12.01
Accompaniment, Musical, No definition provided Christopher Rauch 2023.12.01
Accountants No definition provided Christopher Rauch 2023.12.01
Accounting No definition provided Christopher Rauch 2023.12.01
Accounting--Bibl No definition provided Christopher Rauch 2023.12.01
Accounts, bookkeeping No definition provided Christopher Rauch 2023.12.01
Accreted ice Ice formed by the [freezing][1] of water at the base of an *ice body*. [1]: https://yamz.link/term/ark/h2608 GCW Glossary 2023.03.27
accretion No definition provided Ryan McGranaghan 2023.04.16
Accretion The process by which an object increases its mass under the influence of its gravitational attraction. Accretion plays a key role in a wide range of astrophysical phenomena. In particular stars result from the accretion of material by a protostar from a surrounding molecular cloud. The accumulation of mass on the protostar involves the formation of an accretion disk. Theoretical and observational investigations of protostars and newborn stars indicate the important role of magnetic fields in this process. They favor the magnetospheric accretion model for mass transfer from the circumstellar disk onto the newborn star. In this model, the stellar magnetosphere truncates the disk at a few stellar radii. Gas from the disk accretes onto the star along the magnetic field lines and hits the stellar surface at approximately the free fall velocity, causing a strong accretion shock. Various emission lines are formed in the infalling magnetospheric flow. Moreover, optical/ultraviolet excess continuum emission is produced in the accretion shocks. The accretion is accompanied by mass ejection through collimated bipolar jets. Ryan McGranaghan 2023.04.16
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