1) Exact divisor 2) Fractional 1) Fractional 2) Part 
A sample of precisely determined amount taken from a material.
Latin, meaning: some, several. 
number dividing into another without leaving a remainder
• (a.) An aliquot part of a number or quantity is one which will divide it without a remainder; thus, 5 is an aliquot part of 15. Opposed to aliquant.
<chemistry> A small portion. ... It is common practice to subdivide a precious solution of reagent into aliquots that are used when needed without handling the total sample. ... (18 Nov 1997) ... 
(al´ĭ-kwot) a sample that is representative of th
A measured portion of a sample taken for analysis. One or more aliquots make up a sample. (See: duplicate.)Small portion. It is common practice to subdivide a precious solution of reagent into aliquots that are used when needed without handling the total sample.
Al'i·quot adjective [ Latin aliquot some, several; alius other + quot how many: confer French aliquote .] (Math.) An aliquot part of a number or quantity is one which will divide it without a remainder; thus, 5 is an aliquot part of 15. Opposed to ...
Type: Term Pronunciation: al′i-kwot Definitions: 1. chemistry, immunology a sample with a mass or volume that is a known fraction of that of the whole.
(al-ee-kwoh) A Latin term for a definite fractional share, usually applied when dividing and distributing the assets in a deceased person's estate or trust.
A portion of a specimen used for testing.
[adj] - signifying an exact divisor or factor of a quantity 2. [n] - an integer that is an exact divisor of some quantity
A measured portion of a sample taken for analysis. One or more aliquots make up a sample. (See duplicate.) 
A sample of precisely determined amount taken from a material. 
adjective signifying an exact divisor or factor of a quantity
some, several.