19-letter words containing t, r, a, v, i, s
- vertical stabilizer — the fixed vertical surface of an aircraft empennage, to which the rudder is hinged.
- vesicular exanthema — an infectious viral disease of swine, characterized by blisters on the snout, mucous membranes, and feet.
- vicariate apostolic — a district under the jurisdiction of a vicar apostolic.
- visual basic script — (language) (VBScript) Microsoft's scripting language which is an extension of their Visual Basic language. VBScript can be used with Microsoft Office applications and others. It can also be embedded in web pages but can only be understood by Internet Explorer. Visual Basic is a BASIC variant with object-oriented features. Objects include applications, windows and selections.
- volumetric analysis — determination of the concentration, by volume, of a substance in a solution, as by titration.
- watch night service — a service held on the night of December 24, or of December 31
- young conservatives — the youth section of the United Kingdom Conservative Party until 1998