In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical …

Dec 22, 2020 · I have encountered this when referencing subsets and vector subspaces. For example, T ⊊ span(S) should mean that T is smaller than span(S)--at least from what I've …

What do lengths of time with the "bi" prefix mean"? I have understood bicentennial as once every two hundred years, but biannual as meaning twice a year. Do biweekly and bimonthly mean …

Jul 7, 2011 · The meaning of a word often remains dynamic in relation to its' contextual indicia and corresponding connotations regarding positive/negative/neutral, internal/external, & other …

May 17, 2013 · I was looking into the word chuffed this morning, and came across this:- chuffed 1 /tʃʌft/ adjective British Informal. delighted; pleased; satisfied. Origin: 1855–60; see chuff2 , -e...

Mar 3, 2019 · Whats the meaning of this symbol? Its a three dot symbol: ∴ I read a book, im could not find any definition of this symbol. This is about continuum property of the natural numbers …

What is the meaning of wrt in the following text? I think this is an excellent idea, but I'd like to see this explicitly reframed under the banner of providing Drupal.org data through publicly-

4 Nuance, meaning a subtle difference in shade of meaning, expression or sound exists as both a noun and a verb. An example of its use as a noun would be: He was familiar with the nuances …

Is there any usage preference between artifact and artefact? My understanding was that an artifact was properly applied to physical, historical objects, while an artefact was more correct …

These are not English words, but Greek (hyper) and Latin (super, ultra) prepositions. Hyper and super mean exactly the same thing, 'above' -- they're cognates, in fact; Greek initial S went to …