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Meta Quest 3S
The Meta Quest 3S is a standalone virtual reality and mixed reality headset by Meta, released in October 2024 with the Quest 3's processor at a lower $299.99 price.
Meta refresh
Meta refresh, or meta redirect, is an HTML mechanism that instructs the browser to reload the current page or navigate to another URL after a timed delay.
Meta Superintelligence Labs
Meta Superintelligence Labs is the artificial intelligence division of Meta Platforms, announced by Mark Zuckerberg in June 2025 to consolidate Meta's AI work, including FAIR, under chief AI officer Alexandr Wang.
Meta-optimization
Meta-optimization is an optimization technique in which an outer optimization loop tunes the parameters, hyperparameters, or design of another optimization algorithm to improve its performance on a class of problems.
Meta-reinforcement learning
Meta-reinforcement learning (meta-RL) trains a reinforcement learning agent across a distribution of tasks so it can adapt to new tasks from small amounts of experience.
Meta-World
Meta-World is an open-source benchmark for meta-reinforcement learning and multi-task reinforcement learning, consisting of 50 simulated robotic manipulation tasks performed by a Sawyer robot arm.
Meta–Google Cloud compute deal
The Meta–Google Cloud compute deal is a six-year agreement, reported in August 2025, under which Meta will spend more than $10 billion on Google Cloud servers, storage, and networking, mainly for AI infrastructure.
Meta–Manus takeover unwind
The Meta–Manus takeover unwind was the forced reversal of Meta's roughly $2 billion acquisition of AI startup Manus, ordered by China's NDRC in April 2026.
Meta–Scale AI deal
The Meta–Scale AI deal was a June 2025 transaction in which Meta invested $14.3 billion for a 49 percent non-voting stake in Scale AI, hiring founder Alexandr Wang.
Meta's retreat from open weights
Meta's retreat from open weights was the 2025–26 shift in which Meta, long the standard-bearer for open Llama models, launched the closed, API-only Muse Spark, then partially reopened with Muse Glimmer in 2026.
Metabase
Metabase is an open-source business intelligence platform founded in 2014 in San Francisco that connects to existing databases, letting non-technical users build queries, charts, and dashboards without writing SQL.
Metabo
Metabo is a German power tool manufacturer founded in Nürtingen in 1924, known for cordless power tools, battery technology, and the Cordless Alliance System; it has belonged to Japan's Koki Holdings since 2016.
Metacritic
Metacritic, also known as Metacritic.com, is a review aggregation website launched in January 2001 that combines critic reviews of games, movies, TV shows, and albums into a 0-100 Metascore.
Metadata
Metadata, also known as metainformation, is structured information that describes the characteristics of data, such as a file's format or a dataset's schema, often summarized as data about data.
Metadata management
Metadata management: collecting, organizing, and governing metadata (data about data) describing an organization's data assets, typically via data catalogs. Covers active metadata, vendor landscape, Gartner Magic Quadrant history, standards barriers, and AI-driven context delivery.
Metaflow
Metaflow is Netflix's open-source Python framework for building and deploying AI/ML systems as flows of checkpointed steps, runtime-agnostic across AWS, Azure, GCP, Kubernetes, Argo, and Airflow, Apache 2.0 licensed.
Metafont
Metafont is a font compiler and programming language created by Donald Knuth to describe typefaces as programs, producing the Computer Modern fonts used with his TeX typesetting system.
MetaGPT
MetaGPT is an open-source multi-agent framework, first released in 2023, that assigns LLM agents software-company roles and turns a one-line requirement into code and documentation.
Metakaolin
Metakaolin is an amorphous aluminosilicate produced by heating kaolinitic clay to about 700 °C, destroying the kaolinite crystal structure and creating a highly reactive pozzolan.
Metal (API)
Metal, also known as Apple Metal, is a low-overhead graphics and compute API developed by Apple for its own GPUs across iPhone, iPad, and Mac, first announced in 2014.
Metal Build (Gundam)
Metal Build is a premium action figure line from Bandai, launched in March 2011, featuring Gundam and other mecha with diecast metal parts, fine paintwork, and extensive articulation.
Metal detector
A metal detector is an electronic instrument that senses metal via electromagnetic induction, used for security screening, treasure hunting, demining, and food safety since the 1870s.
Metal evaporated tape
Metal evaporated tape, or ME tape, is a magnetic recording tape with an evaporated cobalt-nickel film, first commercialized in 1979 and best known for the Hi8 video format.
Metal exsolution in perovskite electrodes
Metal exsolution is the process where metal cations in a perovskite oxide electrode are reduced and emerge as socketed catalytic nanoparticles on the surface, used in solid oxide cells.
Metal fabrication
Metal fabrication is the set of industrial processes that turn raw metal stock into finished parts and assemblies by cutting it to shape, forming it, joining the pieces, and finishing the result.
Metal foam
A metallic foam is a cellular material of solid metal, often aluminum, filled with gas-filled pores, used in aerospace, automotive, and biomedical engineering for its light weight and energy absorption.
Metal hydride compressor
A metal hydride compressor is a thermally driven device that compresses hydrogen by absorbing it into a metal alloy at low temperature, then heating it to release high-pressure hydrogen.
Metal hydride thermal energy storage
Metal hydride thermal energy storage is a thermochemical method that stores heat through reversible hydrogen absorption in metal hydrides, offering high storage density for solar plants and waste heat.
Metal injection molding
Metal injection molding (MIM) is a powder metallurgy process that mixes fine metal powder with a thermoplastic binder, molds it like plastic, and sinters it to near-full density.
Metal lathe
A metal lathe, also called an engine lathe or center lathe, is a machine tool that rotates a workpiece against a stationary cutting tool to make round parts.