Oc*ca"sion*al (?), a. [Cf.F. occasionnel.]

1.

Of or pertaining to an occasion or to occasions; occuring at times, but not constant, regular, or systematic; made or happening as opportunity requires or admits; casual; incidental; as, occasional remarks, or efforts.

The... occasional writing of the present times. Bagehot.

2.

Produced by accident; as, the occasional origin of a thing.

[Obs.]

Sir T. Browne.

Occasional cause (Metaph.), some circumstance preceding an effect which, without being the real cause, becomes the occasion of the action of the efficient cause; thus, the act of touching gunpowder with fire is the occasional, but not the efficient, cause of an explosion.

 

© Webster 1913.

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