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.
One of the secrets to making a canal hold water is the use of puddling. This does not mean slathering on a layer of clay and letting it dry, like some kind of mortar. Strong clay, in fact, is useless for puddling, since it absorbs great quantities of water, then cracks on drying out.