23-letter words containing c, i, e, n, f, u
- ulster defence regiment — a former reserve regiment of the British Army based in Northern Ireland
- uniform commercial code — a codification of commercial laws designed to provide uniformity among the states
- uniform resource number — Former name for Uniform Resource Name.
- unipress software, inc. — (company) A developer and distributor of Unix software. They produce PC-UNIX connectivity software, development tools and applications and provide technical support and maintenance, porting services, training and consulting.
- united church of canada — the largest Protestant denomination in Canada, formed in the 1920s by incorporating some Presbyterians and most Methodists
- united church of christ — an American Protestant denomination formed in 1957 by a union of the Evangelical and Reformed churches and the Congregational Christian churches.
- united states air force — the permanent or regular military air force of the United States, established in 1947 as a separate service under the authority of the Department of Defense: a branch of the U.S. Army before 1947. Abbreviation: USAF.
- urinary tract infection — infection of any part of the urinary tract, especially the urethra or bladder, usually caused by a bacterium, Escherichia coli, and often precipitated by increased sexual activity, vaginitis, enlargement of the prostate, or stress. Abbreviation: UTI.
- user interface language — (language, graphics) (UIL) A language for specifying widget hierarchies etc. in OSF/Motif and DECwindows.
- variable life insurance — an insurance policy whose annuity payments or payment to the beneficiary are not fixed but depend on the income earned by the investment of the premiums.
- velocity of circulation — the frequency with which a single unit of currency or the total money supply turns over within the economy in a given year.