The phrase "partitioning between three" is correct and can be used in written English.
You could use it when describing a situation involving a division of something between three people, groups, etc. For example, "The company divided up the profits with a partitioning between three shareholders."
This study was designed to evaluate the effect of interference and exploitation competition in shell partitioning between two hermit crab species (Pagurus criniticornis and Clibanarius antillensis).
However, the study of alternative substrates by Buck and colleagues (2009) indicated substrate partitioning between two Betaproteobacterial clades (R-BT and PnecC) in a humic lake.
Henry's law constant, KH, is a physical property of a chemical that is a measure of its partitioning between two phases, air and water.
Several TLC plates of upper and lower phases were developed in methanol dichloromethane (10 90) (v/ v) with addition of 5%% ammonia, to assess the degree of metabolite partitioning between two phases.
As an illustration, we use Figure 1 to demonstrate the phenotypic plasticity of stem growth (Fig. 1A) and biomass partitioning between two treatments (Fig. 1B) on the second harvesting date.
The pH-corrected log Dow is used to account for the fraction of ionizable and nonionisable species of a substance at a given pH, but this accounts for partitioning between two liquid phases and does not include partitioning across a biological membrane.
The presence of aqueous fluids in subduction zone environments implies that chlorine can be partitioned between three broad families of phase (minerals, silicate melts, and aqueous fluids).
The partition between two other bedrooms, upstairs, can be removed to form a larger room.
Mr. Bowman has been known to choreograph push-up contests among his traders -- for money, of course -- and has a wolverine hide draped across a partition between two desks on his trading floor.
With Albert's death in 1463, however, and the cession of Tirol by Frederick's cousin Sigismund to Frederick's son Maximilian, the Austrian heritage, partitioned between two rival branches of the House of Habsburg in 1379, was once again united.
