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A macronym, or nested acronym, is an acronym in which one or more letters stand for acronyms (or abbreviations) themselves. The word "macronym" is a portmanteau of " macro- " and "acronym". Some examples of macronyms are:
Lists of acronyms contain acronyms, a type of abbreviation formed from the initial components of the words of a longer name or phrase. They are organized alphabetically and by field. They are organized alphabetically and by field.
That’s where acronyms come in and help speed things up. What exactly is an acronym? It’s a word comprised of the first initials of the other words, which is then pronounced as its own word.
An abbreviation (from Latin brevis, meaning "short" [1]) is a shortened form of a word or phrase, by any method including shortening, contraction, initialism (which includes acronym) or crasis. An abbreviation may be a shortened form of a word, usually ended with a trailing period. For example: etc. is the usual abbreviation for et cetera.
An acronym is a type of abbreviation that shortens a phrase by combining the first letter (or letters) of each word in the phrase to form a new pronounceable word. Here are some acronym examples:
A normal acronym is a word derived from the initial letters of the words of a phrase, [2] such as radar from "radio detection and ranging". [3] By contrast, a backronym is "an acronym deliberately formed from a phrase whose initial letters spell out a particular word or words, either to create a memorable name or as a fanciful explanation of a ...
initialism = an abbreviation pronounced wholly or partly using the names of its constituent letters, e.g., CD = compact disc, pronounced cee dee; pseudo-blend = an abbreviation whose extra or omitted letters mean that it cannot stand as a true acronym, initialism, or portmanteau (a word formed by combining two or more words).
HVAC (heating, ventilation, and air conditioning) is a major sub discipline of mechanical engineering.The goal of HVAC design is to balance indoor environmental comfort with other factors such as installation cost, ease of maintenance, and energy efficiency.