For other uses, see Pepper's ghost (disambiguation). A viewer looking through the red rectangle sees a ghost floating next to the table. The illusion is produced by a large piece of glass, Plexiglas or plastic film situated at an angle between viewer and scene (green outline).
Definition: A construction in which one or more words come between the infinitive marker to and the verb (as in  to boldly go where no man has gone before). A split infinitive is sometimes regarded as a type of tmesis.I think the evidence is conclusive enough, says editor Norman Lewis: it is perfectly correct to consciously split an infinitive whenever such an act increases the strength or clarity of your sentence (Word Power Made Easy, 1991). split infinitive is sometimes regarded as a type of tmesis. I think the evidence is conclusive enough, says editor Norman Lewis: it is perfectly correct to consciously split an infinitive whenever such an act increases the strength or clarity of your sentence (Word Power Made Easy, 1991).
Sentence boundary disambiguation. Sentence boundary disambiguation (SBD), also known as sentence breaking or sentence boundary detection, is the problem in natural language processing of deciding where sentences begin and end. Often natural language processing tools require their input to be divided into sentences for a number of reasons.