Vowel whose quality does not change over the duration of the vowel is called a monophthong. Monophthongs are sometimes called "pure" or "stable" vowels. A vowel sound that glides from one quality to another is called a diphthong, and a vowel sound that glides successively through three qualities is a triphthong. All languages have monophthongs and many languages have diphthongs, but triphthongs or vowel sounds with even more target qualities are relatively rare cross-linguistically. English has all three types: the vowel sound in "hit" is a monophthong , the vowel sound in "boy" is in most dialects a diphthong , and
Types of Karma (Jainism) When "ghātiyā karmas" are totally destroyed, the soul attains "kevala Jnana" or omniscience. Liberation is guaranteed for such souls in the same lifetime as soon the aghātiyā karmas are exhausted in the due course. "Jñānāvaraṇīya karma" or the knowledge-obscuring karma are of five types: Of these, the last mentioned karman hinders omniscience altogether; the four others do not result in complete destruction of the corresponding faculties of knowledge, but often produce only greater or less disturbances. "Darshanavarana karma" or the perception-obscuring karma are of four types: The last mentioned karma hinders completely; the three others produce under certain circumstances only