different between seventh vs septimation

English

Etymology

From Middle English sevenþe, sefte, from Old English seofoþa, from Proto-Germanic *sebundô.

Pronunciation

• (UK, US) IPA^(key): /?s?v.?n?/

Adjective

seventh (not comparable)

1. The ordinal form of the number seven.

Synonyms

• 7th, 7^th, VIIth; (in names of monarchs and popes) VII

Translations

Noun

seventh (plural sevenths)

1. The person or thing in the seventh position.
2. One of seven equal parts of a whole.
3. (music) A tone of the seventh degree from a given tone, the interval between two such tones, or the two tones sounding in unison.

Translations

Middle English

Adjective

seventh

1. Alternative form of sevenþe

English

Etymology

Latin septimus (“seventh”) +? -ation, after decimation; compare septimate.

Pronunciation

• (Received Pronunciation) enPR: s?pt?m??sh?n, IPA^(key): /s?pt??me???n/
• (US) IPA^(key): /?s?pt?me???n/

Noun

septimation (countable and uncountable, plural septimations)

1. (rare) The loss, seizure, destruction, or killing of one seventh (of something or of a group).
   • 1844, J.A.T., “Observations on the Genius of the Christian Sabbath, as Illustrated in the Life of Wilberforce” in The Oberlin Evangelist VI, ? 5, page 40

     To Wilberforce ‘the Sabbath was a delight’ […] O how often, even among those who most punctiliously observe it, does it seem […] an unwelcome exaction, a sort of septimation of time, as grievous as church decimations of property.

   • 1853, William Jackman [aut.] and I. Chamberlayne [ed.], The Australian Captive, chapter XVII, page 206

     We had gone into the enemy’s ground with seven hundred warriors?—?a little over one hundred of whom were missing when we left it?—?as, at that time, we could hardly muster six hundred. This septimation of our men was accompanied by a proportionate riddance of such encumbrances of the expedition as wore the shape of women and little ones.

Coordinate terms

• (proportionate reduction, by single aliquot part): quintation (1/5), decimation (1/10), vicesimation (1/20), tricesimation (1/30), centesimation (1/100)