KIss by different subject proffesors

Here's how the professors of different subjects
> define the same word (kiss) in different ways
> Prof. of Algebra : Kiss is infinity because two
> divided by nothing.
> Prof. of Geometry : Kiss is the shortest distance
> between two lips.
> Prof. of Physics : Kiss is the contraction of mouth
> due to the expansion of the heart.
> Prof. of Chemistry : Kiss is the reaction of the
> interaction between two hearts.
> Prof. of Zoology : Kiss is the interchange of
> salivary bacteria.
> Prof. of Physiology : Kiss is the juxtaposition of
> two orbicularis oris muscles in the state of
> contraction.
> Prof. of Dentistry : Kiss is infectious and
> antiseptic.
> Prof. of Accountancy : Kiss is a credit because it
> is profitable when returned.
> Prof. of Economics : Kiss is that thing for which
> the demand is always higher than the supply.
> Prof. of Statistics : Kiss is an event whose
> probability depends on the vital statistics of
> 36-24-36.
> Prof. of Philosophy : Kiss is the persecution for
> the child,ecstasy for the youth and homage for the
> old.
> Prof. of English : Kiss is a noun that is used as a
> conjunction; it is more common than proper; it is
> spoken in the plural and it is applicable to all.
> Prof. of Comp.Science : What is a kiss? It looks to
> be an undefined variable
> Prof. of Architecture : Kiss is a process which
> builds a solid bond between the two dynamic obje