He teetered and the tangle stuff coiled Fractionally tighter.
"Tangle Hold"
F. L. Wallace
The shares fell, but only Fractionally, and I waited.
"Max Carrados"
Ernest Bramah
The first precipitate is filtered off and added to the next run of crude material, or Fractionally precipitated again from hydrochloric acid.
"Organic-Syntheses"
Conant, James Bryant