smatterer

He was a smatterer of that most dangerous kind, who feel certain they have arrived at truth.

Like Mr. Stevenson's smatterer, who was asked, "What would be the result of putting a pound of potassium in a pot of porter?"

At this explanation she shook her head, and observed that no smatterer could read as I had done.

The veriest smatterer in political economy cannot but perceive the ruinous tendency of such a measure.

Nor was his the case of the mere literary smatterer, content if he but learn the names of things.