mean vs norm

mean

noun
  • Either of the two numbers in the middle of a conventionally presented proportion, as 2 and 3 in 1:2=3:6. 

  • The middle part of three-part polyphonic music; now specifically, the alto part in polyphonic music; an alto instrument. 

  • Something which is intermediate or in the middle; an intermediate value or range of values; a medium. 

  • The average of a set of values, calculated by summing them together and dividing by the number of terms; the arithmetic mean. 

  • Any function of multiple variables that satisfies certain properties and yields a number representative of its arguments; or, the number so yielded; a measure of central tendency. 

  • A method or course of action used to achieve some result. 

adj
  • Intending to cause harm, successfully or otherwise; bearing ill will towards another. 

  • Low in quality or degree; inferior; poor; shabby. 

  • Having the mean (see noun below) as its value; average. 

  • Disobliging; pettily offensive or unaccommodating. 

  • Ungenerous; stingy; tight-fisted. 

  • Accomplished with great skill; deft; hard to compete with. 

  • Of a common or low origin, grade, or quality; common; humble. 

  • Of little value or worth; worthy of little or no regard; contemptible; despicable. 

  • Powerful; fierce; strong. 

  • Without dignity of mind; destitute of honour; low-minded; spiritless; base. 

  • Difficult, tricky. 

verb
  • To be of some level of importance. 

  • To have as intentions of a given kind. 

  • To intend an ensuing comment or statement as an explanation.https://www.lexico.com/en/definition/i_mean%20I%20mean 

  • To cause or produce (a given result); to bring about (a given result). 

  • Of a word, symbol etc: to have reference to, to signify. 

  • To have conviction in (something said or expressed); to be sincere in (what one says). 

  • Of a person (or animal etc): to intend to express, to imply, to hint at, to allude. 

  • To intend (something) for a given purpose or fate; to predestine. 

  • To intend, to plan (to do); to have as one's intention. 

  • To lament. 

  • To convey (a given sense); to signify, or indicate (an object or idea). 

norm

noun
  • given two vectors v,w, |v+w|<|v|+|w| (the triangle inequality). 

  • if v ne 0 then |v| ne 0; 

  • That which is normal or typical. 

  • A high level of performance in a chess tournament, several of which are required for a player to receive a title. 

  • A rule that is imposed by regulations and/or socially enforced by members of a community. 

  • A sentence with non-descriptive meaning, such as a command, permission, or prohibition. 

  • given a scalar k, |kv|=|k|·|v|, where |k| is the absolute value of k; 

verb
  • To endow (a vector space, etc.) with a norm. 

How often have the words mean and norm occurred in a corpus of books? (source: Google Ngram Viewer )