EST

EST

1. (international standards) ISO 3166-1 alpha-3 country code for Estonia since 1992.

   Synonym: EE (alpha-2)

EST

1. (time) Initialism of Eastern Standard Time.
   • 2025 August 28, Ashley Rindsberg, “Wikipedia Editors Can't Decide If the Minneapolis Shooter Was a Man or a Woman”, in Pirate Wires‎^[1], archived from the original on 29 August 2025:

     At 3:01pm EST, one of the editors who began removing gendered content, SuperPianoMan9167, reverted an edit that stated, “He identified as a woman” to “She identified as a woman.”

2. (linguistics) Initialism of Extended Standard Theory.
3. Alternative letter-case form of est (“Erhard Seminars Training”).
   • 2010, Jennifer Egan, “Ask Me if I Care”, in A Visit from the Goon Squad:

     […] Tatum, who wears a different color Danskin every day, or Wayne, who grows sinsemilla in his actual closet, or Boomer, who's always hugging everyone since his family did EST.

• AST, CST, GST, HST, MST, NST, PST
• EDT
• ET

• GMT

EST (plural ESTs)

1. (plural only) Initialism of English subtitles.
2. (genetics) Initialism of expressed sequence tag.

• FST
• ST

• tes, Tse, StE, set, TSE, Set, seṭ, ETS, STE, tse, ETs, TEs, Ste, Ste., SET