alternation of form
51Classical guitar — A modern classical guitar from the front and side String instrument Hornbostel–Sachs classification 321.322 5 (Composite chordophone sounded by the bare fingers or …
52Rhythm — For other uses, see Rhythm (disambiguation). Rhythm, a sequence in time repeated, featured in dance: an early moving picture demonstrates the waltz …
53Spore — For other uses, see Spore (disambiguation). Spores produced in a sporic life cycle. In biology, a spore is a reproductive structure that is adapted for dispersal and surviving for extended periods of time in unfavorable conditions. Spores form… …
54Lithuanian language — Lithuanian lietuvių kalba Spoken in Lithuania Region Europe Native speakers 3.2 million  (1998) Language family …
55Pronunciation of English th — In English, the digraph 〈th〉 represents in most cases one of two different phonemes: the voiced dental fricative IPA|/ð/ (as in this ) and the voiceless dental fricative IPA|/θ/ ( thing ). More rarely, it can stand for IPA|/t/ ( Thailand ) or the …
56Manic-Depressive Illness — (Bipolar Disorder) Before 1850, numerous physicians had commented on the alternation of mania and melancholia. In 1844, Karl Wigand Maximilian Jacobi (1775–1858), chief physician of Siegburg asylum in Germany, noted that Exaltation and… …
57Germanic languages — Branch of the Indo European language family, comprising languages descended from Proto Germanic. These are divided into West Germanic, including English, German, Frisian, Dutch, Afrikaans, and Yiddish; North Germanic, including Danish, Swedish,… …
58Old English phonology — This article is part of a series on: Old English Dialects …
59Indo-European s-mobile — In Indo European studies, the term s mobile ( mobile pronounced ; the word is a Latin neuter adjective) designates the phenomenon where a PIE root begins with an PIE|*s which is sometimes but not always present. It is therefore represented in the …
60Internal reconstruction — is a method of recovering information about a language s past from the characteristics of the language at a later date. Whereas the comparative method compares variations between languages such as in sets of cognates under the assumption that… …
