GDD may refer to: Game design document, a design document specific to video games Gaseous detection device, a technology used with some electron microscopes and similar instruments Geographically distributed development Glaucoma drainage device Global data dictionary Global drug development Global developmental delay, a childhood medical disorder Goal-directed design, a user interface design method developed by software designer Alan Cooper Group delay dispersion (or group velocity dispersion), effect of a medium on an optical signal Google Developer Day, Google promotional events for developers ''Great Dragon's Dale'', a Russian-language video gaming magazine Green degree directory Growing degree-day, a unit for measuring climatic warmth over a period of time
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).