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Webster 1913 Edition

Adj.

Capable of flowing or spreading in all directions; that may be diffused.

(Physiol.)

Capable of passing through animal membranes by osmosis.

Adj.

Diffuzible. That may flow or be spread in all directions; that may be dispersed; as diffusible stimuli.

diffusible ‎(comparative more diffusible, superlative most diffusible)

able to be diffused