Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
A type of average, calculated as the square root of the mean of the squares, i.e. Q=√x_12+x_22+...+x_n2/n.
Definition source: English Wiktionary via Wiktextract
Topics: mathematics, sciences
No example sentence was provided for this meaning.
Synonyms: root mean square, RMS
Antonyms: none provided
Broader terms: mean, average, measure of central tendency
History
Quadratic in the phrase refers to the squaring on the terms.
