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- Computers & specifications3DM (three-dimensional memory)
Memory designs that use a third dimension to arrange storage structures. The linked guide distinguishes layered semiconductor memory from other uses of “3D memory”; the label alone does not specify a device architecture.
Related coverage: 3D Memory Explained: NAND Layers, HBM, and Stacked Cache
Link to this term- Networks3G (third-generation mobile networks)
A generation of cellular systems that supported mobile voice and data, including UMTS and related technologies. Availability depends on the network and country; use the mobile-network guides when identifying older equipment.
Related coverage: 3G explained: technology, networks and legacy
Link to this term- Networks5G
The fifth generation of mobile-network technology, including 5G radio access and associated system capabilities. Available service depends on the handset, spectrum, radio conditions, network deployment and supported features. Read a 5G indicator as a connection label; assess actual coverage, throughput and delay for the task you need to perform.
Guide: 10 Technologies That Benefit from 5G and What They Require
Reference: 3GPP: 5G system overview
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A starting point for understanding
Each entry gives a concise meaning and, where useful, a distinction or practical example. Topic labels identify the context; the same acronym can have several meanings. Historical names remain useful when reading older coverage.
Follow the linked Yenra guides for fuller explanations and the reference links for supporting documentation. Health, technical and regulatory terms describe concepts; individual decisions depend on the applicable evidence, equipment and circumstances.
Collection updated October 13, 2026. Full glossary · AI Glossary