Pronunciation: [kwˈɒntɪti] (IPA) 
The word "quantity" is spelled with the phonetic transcription /kwɒn.tɪ.ti/. This means that the first syllable is pronounced as "kwon" and the second syllable is pronounced as "ti-tee". The letter "q" is followed by "u" which makes a "kw" sound. The "ti" is pronounced as "tih", followed by the "tee" sound. The spelling of "quantity" is similar to other words in the English language, such as "equity" and "facility" that end with -ity.
Quantity is a term used to define the measurement or amount of something, typically expressing its magnitude or extent. It refers to the numerical value or value range that specifies the size, volume, or degree of a particular object, substance, or phenomenon. It is the fundamental attribute that allows us to determine the size or scale of an element.
In mathematics, quantity is often identified as a numerical value or a variable, which can be represented through numbers or symbols during calculations or equations. It assists in measuring and quantifying various aspects in different fields such as science, economics, and physics.
In the field of science, quantity is a crucial component in experimental and theoretical investigations. It enables scientists to describe and evaluate various properties of matter and energy, helping them draw conclusions, make predictions, and formulate laws or theories.
In everyday life, quantity is a significant factor for determining measurements or quantities of goods, products, or items for various purposes, including commerce, trade, and general usage. It aids in establishing the number of units of a particular item or substance required or available.
Overall, quantity plays an essential role in providing a numerical value or representation to measure and analyze the size, amount, or intensity of entities present in the physical, mathematical, and practical realms.
That property of anything capable of being increased or diminished; bulk, weight, or number; a large portion; an indefinite extent of space; an indeterminate mass or aggregate of matter; the measure of the time of a syllable or vowel in pronouncing it; in logic, a general conception; in math., anything which can be multiplied, divided, or measured.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
* The statistics data for these misspellings percentages are collected from over 15,411,110 spell check sessions on www.spellchecker.net from Jan 2010 - Jun 2012.
The word quantity originates from the Latin word quantitas, which is derived from the Latin root quantus, meaning how much or how great. The term was later adopted into Middle English as quantite, and eventually evolved into the modern English word quantity.
