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The word quantum is the neuter singular of the Latin interrogative adjective quantus, meaning "how much"."Quanta", the neuter plural, short for "quanta of electricity" (electrons), was used in a 1902 article on the photoelectric effect by Philipp Lenard, who credited Hermann von Helmholtz for using the word in the area of electricity.
The corresponding Chinese term is liàngcí (simplified Chinese: 量词; traditional Chinese: 量詞), which can be directly translated as "quantity word". Most measure words in English correspond to units of measurement or containers, and are themselves count nouns rather than grammatical particles: one quart of water; three cups of coffee
The English language has a number of words that denote specific or approximate quantities that are themselves not numbers. [1] Along with numerals, and special-purpose words like some, any, much, more, every, and all, they are quantifiers. Quantifiers are a kind of determiner and occur in many constructions with other determiners, like articles ...
Quantum satis (abbreviation q.s. or Q.S.) is a Latin term meaning the amount which is enough.It has its origins as a quantity specification in medicine and pharmacology, [citation needed] where a similar term quantum sufficit ("as much as is sufficient") has been used (abbreviated Q.S.). [1]
Existential instantiation, when conducted in a Fitch style deduction, proceeds by entering a new sub-derivation while substituting an existentially quantified variable for a subject—which does not appear within any active sub-derivation. If a conclusion can be reached within this sub-derivation in which the substituted subject does not appear ...
The ease of quantification is one of the features used to distinguish hard and soft sciences from each other. Scientists often consider hard sciences to be more scientific or rigorous, but this is disputed by social scientists who maintain that appropriate rigor includes the qualitative evaluation of the broader contexts of qualitative data.
After being integrated into Google Search, the dictionary was discontinued as a separate service on August 5, 2011, [10] [13] and can now be accessed with the "define" operator or by simply searching for a word. [2] [13] The dictionary service is also still available in Google Translate and can be accessed by selecting a single word. [13]
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