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fifth

[fifth or, often, fith] /fɪfθ or, often, fɪθ/
adjective
1.
next after the fourth; being the ordinal number for five.
2.
being one of five equal parts.
3.
Automotive. of, pertaining to, or operating at the gear transmission ratio at which the drive shaft speed is greater than that of fourth gear for a given engine crankshaft speed:
fifth gear.
adverb
4.
in the fifth place; fifthly.
noun
5.
a fifth part, especially of one (1/5).
6.
the fifth member of a series.
7.
a fifth part of a gallon of liquor or spirits; 4/5 (0.8) of a quart (about 750 milliliters).
8.
Automotive. fifth gear.
9.
Music.
  1. a tone on the fifth degree from another tone (counted as the first).
  2. the interval between such tones.
  3. the harmonic combination of such tones.
Idioms
10.
take the Fifth, Informal. to decline on the basis of the Fifth Amendment to the U.S. Constitution to answer a question when testifying.
Origin
1000
before 1000; earlier fift, Middle English fifte, Old English fīfta; -th by analogy with fourth, etc.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for fifth
  • Add a fifth screw as shown above, securing the leg to the end of the crosspiece.
  • The fifth and sixth cervical unite soon after their exit from the intervertebral foramina to form a trunk.
  • The fifth runs between the adjacent margins of the triangular and pisiform bones.
  • These processes overlap from the fifth to the eighth, but are less oblique in direction above and below.
  • It will probably be best in all cases to follow the order of the first four lessons, and perhaps the fifth also.
  • Ossification begins in the medial epicondyle about the fifth year, and in the lateral about the thirteenth or fourteenth year.
  • The number of credit cards in circulation has declined by almost a fifth.
  • Groundwater provides about a fifth of the planet's water needs and half its drinking water.
  • Kodak's shares jumped this week on some sobering news: the photographic company is cutting its workforce by a fifth.
  • Even more alarmingly, about a fifth said they were paid by their sources-in effect, took bribes.
British Dictionary definitions for fifth

fifth

/fɪfθ/
adjective (usually prenominal)
1.
  1. coming after the fourth in order, position, time, etc. Often written: 5th
  2. (as noun) he came on the fifth
noun
2.
  1. one of five equal or nearly equal parts of an object, quantity, measurement, etc
  2. (as modifier) a fifth part
3.
the fraction equal to one divided by five (1/5)
4.
(music)
  1. the interval between one note and another five notes away from it counting inclusively along the diatonic scale
  2. one of two notes constituting such an interval in relation to the other See also perfect (sense 9), diminished (sense 2), interval (sense 5)
5.
an additional high gear fitted to some motor vehicles
adverb
6.
Also fifthly. after the fourth person, position, event, etc
sentence connector
7.
Also fifthly. as the fifth point: linking what follows with the previous statements, as in a speech or argument
Word Origin
Old English fīfta
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for fifth
adj.

c.1200, fift, from Old English fifta, from fif "five" (see five) + -ta (see -th (1)). Altered 14c. by influence of fourth. Cf. Old Frisian fifta, Old Saxon fifto, Old Norse fimmti, Dutch vijfde, Old High German fimfto, German fünfte, Gothic fimfta.

Noun meaning "fifth part of a gallon of liquor" is first recorded 1938, American English. Fifth Avenue (in New York City) has been used figuratively for "elegance, taste" since at least 1858. Fifth wheel "superfluous person or thing" first attested 1902. Fifth-monarchy-man, 17c. for "anrachist zealot," is a reference to Dan. ii:44.

Online Etymology Dictionary, © 2010 Douglas Harper
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fifth in Medicine

fifth (fĭfth)
adj.

  1. Coming after fourth, as in order, rank, or time.

  2. Being the outermost digit, as on a hand.


fifth n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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fifth in Technology


An enhanced version of FORTH. M.S. Dissertation, Cliff Click cliff@cs.rice.edu, Texas A&M, 1985. Available from the Software Construction Co, (409)696-5432.

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Idioms and Phrases with fifth
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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