aqueduct- a conduit or artificial channel for conducting water from – My sister was sick so i had to do her chore and get water from the aquesduct

arbitrate-  determine- i am arbitrate so i have to ace the test!

bacteria – ubiquitous one-celled organisms, spherical- There is bacteria in our bodies, there IS such a thing as good bacteria.

solubility- relative capability of being dissolved.-  some vitamin tablets have solubility and disolve in your mouth.

permeate- to pass into or through every part of – When a human has permeate they have a supernatural power.