Although Goodyear welted shoes are synonymous with English made footwear, the name and machinery used was in fact the invention of an American by the name of Charles Goodyear Jr, son of the great inventor Charles Goodyear, who invented vulcanised rubber.
What does AM and PM stand for? AMâalso spelled âamâ or âa.m.ââis the abbreviation for ante meridiem, a Latin phrase meaning âbefore noon.â PMâalso spelled âpmâ or âp.m.ââis the abbreviation for post meridiem, which simply means âafter noon.â Noon, of course, refers to the middle of the day.
The term we associate with the morning, a.m. , is an abbreviation the Latin phrase ante merÄ«diem meaning âbefore middayâ; p.m. is an abbreviation of post merÄ«diem, meaningâyou guessed itââafter midday.â These two terms help keep ambiguity at bay in the 12-hour time system.n formal writing, it is best to lowercase both a.m. and p.m. and retain the periods (as opposed to writing them AM / PM or am/pm); however, should you choose to use a different format, the most important rule is to be consistent throughout your piece.