This list contains acronyms, initialisms, and pseudo-blends that begin with the letter U. For the purposes of this list: * acronym = an abbreviation pronounced as if it were a word, e.g., SARS = severe acute respiratory syndrome, pronounced to rhyme with cars * initialism = an abbreviation pronounced wholly or partly using the names of its constituent letters, e.g., CD = compact disc, pronounced cee dee * pseudo-blend = an abbreviation whose extra or omitted letters mean that it cannot stand as a true acronym, initialism, or portmanteau (a word formed by combining two or more words).(a) = acronym, e.g.: SARS – (a) severe acute respiratory syndrome(i) = initialism, e.g.: CD – (i) compact disc(p) = pseudo-blend, e.g.: UNIFEM – (p) United Nations Development Fund for Women(s) = symbol (no