aliquots

[pianistimo]

aliquot.  cumquat.  aliquot. cumquat.

don't mind me.  i never heard of them before.  what are aliquots?

[quasimodo]

Aliquot
From Wikipedia, the free encyclopedia

In mathematics, an aliquot part (or simply aliquot) of an integer is any of its integer divisors. For instance, 2 is an aliquot of 12. The sum of all the aliquots of an integer n is the value σ(n) of the divisor function σ at n.

In chemistry, an aliquot is usually a portion of a total amount of a solution.

The word is formed of the Latin aliquoties, "several times".

[timothy42b]

But in common use, it means a sample, usually a liquid portion.

When I worked in environmental engineering, we would sample a monitoring well and put an aliquot in a bottle to send to the lab. 

[pianowolfi]

On a piano aliquots are additional strings,  that are not touched by the hammers but giving resonance when the appropriate string is stroken. They are usually used in the treble register. Blüthner used to apply them in their pianos, i don't know if still. I have an old Blüthner Grand with aliquot system. Each high treble note has three regular strings and one aliquot, that is placed a little bit above and is not damped. As we now know from numerian https://www.pianostreet.com/smf/index.php/topic,19804.msg216292.html#msg216292

also Fazioli seem to use this in their grands

[pianistimo]

oh.  thank you very much.  that was helpful.