Most three-letter abbreviations are initialisms: all the letters are pronounced as the names of letters, as in APA /ËeÉªpiËËeÉª/ AY-pee-AY. The Jargon File also mentions the abbreviation ETLA for extended three-letter acronym to refer to four-letter acronyms/abbreviations.  2 Extended three-letter acronym is sometimes abbreviated to XTLA.
Definition of PUDDLING. : the process of converting pig iron into wrought iron or rarely steel by subjecting it to heat and frequent stirring in a furnace in the presence of oxidizing substances. ADVERTISEMENT.Nglish: Translation of puddling for Spanish speakers.weet. : the process of converting pig iron into wrought iron or rarely steel by subjecting it to heat and frequent stirring in a furnace in the presence of oxidizing substances.
Joseph Hall 1789 â 1862, the inventor of 'Wet Puddling', was born in 1789 and apprenticed in 1806 as a puddler to use Henry Cort 's puddling process. He tried adding old iron to the charge of the puddling furnace and later puddler's bosh cinder (iron scale, that is rust) to the charge.