2,000 English idioms, phrases and expressions that we use daily, with their meanings and origins explained...
1 An abbreviation might be formed using the first and last letter of the complete word.  2 Yard, for example, is abbreviated yd., and quart is abbreviated qt.. 3  Some measurement abbreviations are formed by using the first letter or two (or sometimes three) of the word. 4  Some examples of this are mi. ( 5 mile), in.
Measurement abbreviations are formed, for the most part, in one of three ways. An abbreviation might be formed using the first and last letter of the complete word. Yard, for example, is abbreviated yd., and quart is abbreviated qt.