Definition of "aliquot"

If, therefore, every aliquot diviſion produced a ſenſible effect by it's[sic] vibration, we ſhould hear in every muſical ſtring an infinite variety of chords, diſſonant and conſonant, in ſharp and flat keys at the ſame time.

1794, George Adams (Jr), Lectures on Natural and Experimental Philosophy, Considered in its Present State of Improvement. Describing, in a Familiar and Easy Manner, The Principal Phenomena of Nature, and Shewing, That They All Co-operate in Displaying the Goodness, Wisdom, and Power of God

The United States standard yard … has a thin strip of silver, 1⁄5 inch broad, let into it through its entire length. It is divided into small divisions, each being an aliquot part of an inch.

1853, Joseph Whitworth, New York Industrial Exhibition: Official Report, page 166

Prices or cost estimates are put on these commodities and services, and the aggregate sum of the prices being divided by the population gives the amount of the citizen's personal credit, which is simply his aliquot share of the commodities and services available for the year.

1897, Edward Bellamy, chapter IV, in Equality‎

[T]he meal should be divided in aliquot parts among the members of the sick and indigent roomkeeper’s association as a token of his regard and esteem.

1922 February, James Joyce, Ulysses, Paris: Shakespeare and Company, […]

Two aliquots each of 57 sample solutions and 15 solutions of NBS Standard No. 950a were assayed.

1965 December 1, Martha Smith Richmond, Analysis of Uranium Concentrates at the National Bureau of Standards, National Bureau of Standards, NBS Misc. Publ. 260-8, page 26

11.5.3 For each sample or sample batch (to a maximum of 20 samples) to be extracted during the same 12-hour shift, weigh two 10 g aliquots of the appropriate reference matrix (Section 7.6) into clean beakers or glass jars.

2002, Code of Federal Regulations, 40: Parts 136-149, Protection of Environment, Office of the Federal Register, page 244

Composite samples are formed by physically mixing aliquots of individual samples. If aliquots of equal volumes are used, then the composite sample values are simply the arithmetic averages of individual sample values.

2011, Ganapati P. Patil, Sharad D. Gore, Charles Taillie, Composite Sampling, Springer, page 115

The nuclear pellet was resuspended in homogenizing buffer (about 25 ml), aliquoted into Eppendorf tubes and stored at -80°C.

1994, Patricia Viola Racenis, Phosphatidate Biosynthesis in the Yeast Saccharomyces cerevisiae, University of Michigan, page 34

The final solution is filtered, aliquoted into 150 μL portions, and stored at –70°C.

2002, Joachim Close, “20: Preparation of Protein Samples from Mouse and Human Tissues for 2-D Electrophoresis”, in John M. Walker, editor, The Protein Protocols Handbook, Humana Press, page 144

Serum was aliquoted into 10 mL aliquants and frozen at -20°C until use.

2006, Elizabeth Ann Dille, Establishing an in Vitro Follicle Culture System to Study the Effect of Endometriosis on Infertility, University of Wisconsin-Madison, page 105