The Unified Business Identifier number, or UBI, is a nine-digit number used by the state of Washington to identify businesses there to local agencies. Businesses in Washington state use a Unified Business Identifier number for filing, taxes and identification with state agencies, according the Washington Secretary of State website.
Definition of preliminary for English Language Learners. : something that comes first in order to prepare for or introduce the main part of something else.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  prelude(Noun) An introductory or preliminary performance or event; a preface. 2  prelude(Noun) A short piece of music that acts as an introduction to a longer piece. 3  prelude(Verb) To introduce something, as a prelude.