That science which treats of punctuation and the laws of versification.

17. Of what is a word composed?

A syllable or combination of syllables.

18. What is a Syllable?

A letter or letters uttered by a single impulse of the voice.

19. What is the essential part of a syllable?

A vowel.

20. Can there be a syllable without it containing a vowel sound?

There cannot.

21. What is Syllabication?