I.D. / O.B. / E.Q.
In each case, we write and pronounce the abbreviation as if it were the initial letters
of two words, when in fact it is the first two letters of a single word.
- "ID" (eye-dee) is short for "identification."
- "OB" (oh-bee) is short for "obstetrician."
- "EQ" (ee-cue) is short for "equalization."