I don't know the literal meaning, but it seems to me that this phrase is related to British higher education... e.g. a someone who is 'distinguished in letters' is a person who has received a (doctoral) Degree in Letters (possibly honorary). See here: http://www.lboro.ac.uk/service/publicity/news-releases/2005/62_honorary_degrees.html
In ordinary everyday letters . . . pi In Greek letters . . . Π
If you mean in 5 letters then it is: TODAY
The mathematical term for "mean" is "mean".The popular, or colloquial term for "mean" is "average".
centimeter
Communication by the exchange of letters
Famous
A variety of a language that is distinguished by pronunciation is a dialect.
The term 'undefined' means not precisely limited, determined, or distinguished not precisely limited, determined, or distinguished; "an undefined term"; "undefined authority"; "some undefinenot precisely limited, determined, or distinguished; "an undefined term"; "undefined authority"; "some undefine
Its an abbriveation, if that's what you mean.
The letters in "cop" stand for "Constable on Patrol." It is a term used to refer to a police officer, especially in the United States.
The distinguished one
You probably mean "distinguished."
There is not a term "aggrecious", the term is "egregious". The term "egregious" means to be archaic, distinguished, or conspicuous.?æ
it means THERE IS NO SUCH THING AS A FREE LUNCH. what the term means to consumers is that nothing is free you have you to buy it.
The distinguished one
The term "result" can have several meanings in science, but the most universal is probably "the observed outcome of an experiment" (as distinguished from any explanation given to this observation).
Race