Carbonated water can occur naturallyâas is the case with water from certain mineral springsâor it can be created artificially with carbon dioxide cartridges or tanks. The carbonation process gives water a slightly acidic pH. Seltzer or seltzer water is carbonated water to which no other ingredients have been added. It contains only water and carbon dioxide. If you have a SodaStream or other home carbonation system, and you donât use any added flavorings, you are making seltzer.
Slang refers to words, phrases and uses that are regarded as very informal and often restricted to special context or peculiar to a specified profession class and the like. Slang words are used in specific social groups, like teenagers.
Slang is a subset of a language used by one particular group. It consists of words and expressions which will not be found in the dictionary, and can be distortions of existing words or entirely invented terms.