fraction has definitions from the field of mathematics
1
[ noun ] a component of a mixture that has been separated by a fractional process

Used in print

(Francis J. Johnston and John E. Willard, "The...)

It was then distilled at_least three times from a trap at_- 78 ` to a liquid_air trap with only a small middle fraction being retained in each distillation .

The fraction of exchange was determined as the ratio of the counts / minute observed in the carbon_tetrachloride to the counts / minute calculated for the carbon_tetrachloride fractions for equilibrium distribution of the activity between the chlorine and carbon_tetrachloride , empirically determined correction being made for the difference in counting efficiency of * * f in * * f and * * f .

(M. Yokoyama et al., "Chemical and serological...)

In the present work whole sera have been fractionated by chromatography on DEAE-cellulose using single gradients similar to those described by Sober and Peterson , and certain chemical and serological properties of the fractions containing antibodies of the ABO and Rh systems have been described .

Anti - A and anti - B activities were determined in fractions from the sera of group A , group B or group O donors by the following tube agglutination methods .

The activities of fractions of sera containing Rh_antibodies were tested by the saline , albumin and indirect_Coombs techniques .

2
[ noun ] a small part or item forming a piece of a whole

Used in print

(Raymond C. Binder et al., editors, Proceedings...)

The mean temperature of the surface was then computed according to the following relation : **f where x is the fraction of the plug area covered by the hot spot .

(J. F. Vedder, "Micrometeorites", in Francis S. J...)

The Russian experimenters claim that only a small fraction of the impulse from the sensors is caused by the incident momentum with the remainder being momentum of ejected material from the sensor .

The velocity value used is also open_to some question ; if a substantial fraction of the dust is orbiting about the Earth , only about one_third the above_mentioned average velocity should be used in deriving the mass .

(Jacob Robbins et al., "The thyroid-stimulating...)

Further , the gland is able to re-use a larger fraction of the thyroid_hormone de-iodinated peripherally .

Related terms

part

3
[ noun ] (mathematics) the quotient of two rational numbers

Used in print

(Jack Kaplan, "The Health Machine Menace: Therapy by...)

In Chicago , some time ago , Mr._H. , age 27 , a diabetic since he was six , stopped using insulin because he had bought a `` magic spike '' - a glass tube about the size of a pencil filled with barium chloride worth a small fraction of a cent - sold by the Vrilium_Company of Chicago for $ 306 as a cure-all .

(Francis J. Johnston and John E. Willard, "The...)

The fraction of exchange was determined as the ratio of the counts / minute observed in the carbon_tetrachloride to the counts / minute calculated for the carbon_tetrachloride fractions for equilibrium distribution of the activity between the chlorine and carbon_tetrachloride , empirically determined correction being made for the difference in counting efficiency of * * f in * * f and * * f .

4
[ noun ] Last name, frequency rank in the U.S. is 26591
5
[ verb ] (mathematics) perform a division

Synonyms

divide

Examples

"Can you divide 49 by seven?"

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