fraction

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frac·tion

(frak'shŭn),
1. The quotient of two quantities.
2. An aliquot portion or any portion.
3. As a verb, to separate into portions.

fraction

/frac·tion/ (frak´shun)
1. a portion of something larger.
2. in chemistry, one of the separable constituents of a substance.frac´tional

ejection fraction  the proportion of the volume of blood in the ventricles at the end of diastole that is ejected during systole; it is the stroke volume divided by the end-diastolic volume, often expressed as a percentage. It is normally 65 ± 8 per cent; lower values indicate ventricular dysfunction.
plasma protein fraction  a preparation of serum albumin and globulin obtained by fractionating source blood, plasma, or serum from healthy human donors; used as a blood volume supporter.

fraction

(frăk′shən)
n.
1. An expression that indicates the quotient of two quantities.
2. A chemical component separated by fractionation.
3. A disconnected piece; a fragment.
4. An aliquot portion or any portion.

fraction

A part of a whole. See Ejection fraction, Plasma protein fraction, Purified protein fraction, S phase fraction, Volume fraction.

frac·tion

(frak'shŭn)
1. The quotient of two quantities.
2. An aliquot portion or any portion.

frac·tion

(frak'shŭn)
1. The quotient of two quantities.
2. An aliquot portion or any portion.

fraction

size expressed as a relative part of a unit.

attributable fraction
the proportion of disease in the exposed group which is caused by the factor.