GBT might be an initialism for:
- Green Bank Telescope
- Giga-Byte Technology
- Gravity belt thickener - a device in the wastewater treatment process
- Gay, Bisexual and Transgender - an umbrella term for those of non-heterosexual sexuality. Acronyms, initialisms, and alphabetisms are Abbreviations that are formed using the initial components in a phrase or name The Robert C Byrd Green Bank Telescope ( GBT) is the world's largest fully steerable Radio telescope and the world's largest land-based movable structure Sewage treatment, or domestic wastewater treatment, is the process of removing Contaminants from Wastewater, both Runoff ( Effluents In the English language, gay is an Adjective that in modern usage refers to Homosexuality. Bisexuality refers to sexual behavior with or attraction to people of both sexes or to a bisexual orientation Transgender (trænzˈdʒɛndɚ from ( Latin) derivatives