sixth

sixth
   a unit used in music to describe the ratio in frequency between notes. Two notes differ by one minor sixth if the higher note has frequency exactly 8/5 times the frequency of the lower one, or by a major sixth if the higher note has frequency exactly 5/3 times the frequency of the lower one. On the standard 12-tone scale the minor sixth is approximated (roughly) by 8 half steps, corresponding to a frequency ratio of 22/3 = 1.5874; the major sixth is approximated by 9 half steps, corresponding to a frequency ratio of 23/4 = 1.6818.

Dictionary of units of measurement. 2015.

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  • sixth — [siksth] adj. [ME sixth < OE sixta, akin to Ger sechste, L sextus: see SIX & TH2] 1. preceded by five others in a series; 6th 2. designating any of the six equal parts of something n. 1. the one following the fifth …   English World dictionary

  • sixth — ► ORDINAL NUMBER 1) constituting number six in a sequence; 6th. 2) (a sixth/one sixth) each of six equal parts into which something is or may be divided. 3) chiefly Brit. the sixth form of a school. 4) Music an interval spanning six consecutive… …   English terms dictionary

  • sixth — [ sıksθ ] number 1. ) in the place or position counted as number 6: the sixth of May He was placed sixth in the tournament. 2. ) one of 6 equal parts of something: About five sixths of the group said they supported the decision …   Usage of the words and phrases in modern English

  • Sixth — Sixth, n. 1. The quotient of a unit divided by six; one of six equal parts which form a whole. [1913 Webster] 2. The next in order after the fifth. [1913 Webster] 3. (Mus.) The interval embracing six diatonic degrees of the scale. [1913 Webster] …   The Collaborative International Dictionary of English

  • Sixth — Sixth, a. [From Six: cf. AS. sixta, siexta.] 1. First after the fifth; next in order after the fifth. [1913 Webster] 2. Constituting or being one of six equal parts into which anything is divided. [1913 Webster] …   The Collaborative International Dictionary of English

  • sixth — O.E. syxte, from siex (see SIX (Cf. six)). Sixth sense supernatural perception of objects is attested from 1807; earlier it meant the sense that apprehends sexual pleasure (1690s) …   Etymology dictionary

  • sixth — sixth; sixth·ly; …   English syllables

  • sixth|ly — «SIHKSTH lee», adverb. in the sixth place …   Useful english dictionary

  • sixth — sixth1 [sıksθ] adj coming after five other things in a series ▪ her sixth birthday ▪ the sixth century >sixth pron ▪ Let s have dinner on the sixth (=the sixth day of the month) . sixth 2 sixth2 n one of six equal parts of something ▪ About o …   Dictionary of contemporary English

  • Sixth — In music, see the intervals:*Major sixth *Minor sixthThe submediant, and the chord built on the submediant, is often simply called the sixth as it is the sixth scale degree. The note of a chord forming the interval of a sixth with the chord s… …   Wikipedia

  • sixth — n. & adj. n. 1 the position in a sequence corresponding to that of the number 6 in the sequence 1 6. 2 something occupying this position. 3 any of six equal parts of a thing. 4 Mus. a an interval or chord spanning six consecutive notes in the… …   Useful english dictionary

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