LGBT

LGBT is an initialism that stands for lesbian, gay, bisexual, and transgender. In use since the 1990s, the term is an adaptation of the initialism LGB, which itself started replacing the term gay when in reference to the LGBT community beginning in the mid-to-late 1980s, as many felt the term gay community did not accurately represent all those to...
Found on http://en.wikipedia.org/wiki/LGBT

Lgbt

An abbreviation for Lesbian, Gay, Bisexual, and Transgender people or groups.
Found on http://www.nolo.com/dictionary/lgbt-term.html
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