This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The act or process of dispersing or the condition of being dispersed; distribution.

n. The act or result of dispersing or scattering; dispersion.

n. The act or result of dispersing or scattering; dispersion.

n.

n. Dispersion.

n. the act of dispersing or diffusing something

"Oh, and there would be a little thing called a dispersal draft to be worked out if there is contraction."

spreading    spread   

spraying    crop-dusting   

dispersion   

rehearsal    reversal    tercel    universal   

dispersion    emigration    disintegration    dissemination    evacuation    annihilation    liquidation    decontamination    propagation    attenuation