different between fifth vs quintic

English

Alternative forms

• fift (obsolete)

Etymology

From Middle English fifthe, fifte, fift, from Old English f?fta (“fifth”), from Proto-Germanic *fimftô (“fifth”) or *femftô, equivalent to five +? -th. Cognate with Scots fift, fyft (“fifth”), North Frisian fyfde (“fifth”), West Frisian fyfde (“fifth”), Dutch vijfde (“fifth”), Low German fifte, föfte, füfte (“fifth”), German fünfte (“fifth”), Danish femte (“fifth”), Swedish femte (“fifth”), Icelandic fimmta (“fifth”).

Pronunciation

• (UK, US, standard) enPR: f?fth, IPA^(key): /f?f?/
• Rhymes: -?f?
• (UK, US, informal or dialectal) enPR: f?th, IPA^(key): /f??/
• (UK, US, dialectal) enPR: f?ft, IPA^(key): /f?ft/
• Rhymes: -??

Adjective

fifth (not comparable)

1. The ordinal form of the number five.

Synonyms

• 5th, Vth; (in names of monarchs and popes) V, V.

Derived terms

Translations

Noun

fifth (plural fifths)

1. The person or thing in the fifth position.
2. One of five equal parts of a whole.
3. The fifth gear of an engine.
4. A quantity of liquor equal to one-fifth of a gallon, or, more commonly, 750 milliliters (that is, three quarters of a liter).
5. The musical interval between one note and another seven semitones higher (the fifth note in the major/minor scale)
6. The fifth voice in a polyphonic melody.

Synonyms

• (one of five equal parts): ?

Derived terms

Translations

Verb

fifth (third-person singular simple present fifths, present participle fifthing, simple past and past participle fifthed)

1. A music technique. (clarification of this definition is needed)
   • 1996 Music in Early English Religious Drama: Minstrels playing page 510

     Another extension of strict organum is 'fifthing'. Fifthing is a note-against- note method of creating a two-part texture by improvising a second voice over the given tune, starting and ending each musical phrase at the octave and proceeding mainly in fifths above the tune at others times.

2. To support something fifth, after four others have already done so.
   • 2017 Critics Pick the TV Shows That Get Mental Health Right — IndieWire Survey

     Though seconding (or fifthing) the praise for “BoJack Horseman” and “In Treatment,” I think I’ll use the majority of my space to discuss “You’re the Worst.”

3. to divide by 5, equates to multiplying a denominator by 5
   • 2006 Mathematics for Dyslexics: Including Dyscalculia page 188

     3/5 has been through fifthing. 2/3 has been through thirding. Therefore, 3/5 now needs thirding and 2/3 needs fifthing

English

Etymology

From Latin quintus (“fifth”) +? -ic (“of pertaining to”).

Adjective

quintic (not comparable)

1. (mathematics) Of or relating to the fifth degree, such as a quintic polynomial which has the form ax⁵+bx⁴+cx³+dx²+ex+f (containing a term with the independent variable raised to the fifth power).

Noun

quintic (plural quintics)

1. (mathematics) a quintic polynomial: ax⁵+bx⁴+cx³+dx²+ex+f

Derived terms

• quintic equation
• quintic function