Dis*sim"u*lour (?), n. [OF. dissimuleur.] A dissembler. [Obs.] Chaucer.
Dis"si*pa*ble (?), a. [L. dissipabilis.] Capable of being scattered or dissipated. [R.]
The heat of those plants is very dissipable.
Bacon.
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Dis"si*pate (ds"s*pt), v. t. [imp. & p. p. Dissipated; p. pr. & vb. n. Dissipating.] [L. dissipatus, p. p. of dissipare; dis- + an obsolete verb sipare, supare. to throw.] 1. To scatter completely; to disperse and cause to disappear; -- used esp. of the dispersion of things that can never again be collected or restored.
Dissipated those foggy mists of error.
Selden.