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May 22

Twitter Weekly Updates for 2010-05-22

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May 15

Twitter Weekly Updates for 2010-05-15

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May 13

Why is that a Syllable?

1339 l Why is that a Syllable?

Why do some sound combinations form words while others do not?  Why can some sound combinations only be found at the beginning of words whereas others can only be at the end?  The answer rests in the sonority scale.  This discussion follows along with Kelly’s post on “What is a Syllable? Rhyme and Reason”.  Syllable structure, what makes a string of sounds a syllable, is based on the principle of sonority. Sonority is the openness of the vocal tract that corresponds directly to loudness of a sound.  Consonants are divided into obstruents and sonorants based on how they are articulated.  They are called obstruents because the airflow is being obstructed.  Say a sound like [t] compared to [n]; [t] is an obstruent and stops suddenly whereas [n] is a sonorant.  The sound of [n] is more open and can be stretched out.   The more like a vowel a sound is the more sonorous it is.  Think of a syllable as a mountain: there is a climb up to the top and then a descent.  Vowels are the most sonorous so they are at the peak or the nucleus of a syllable.  The consonants preceding a vowel increase in sonority; this is the onset.  After reaching the nucleus, the consonant sounds decrease in sonority; this is the coda. The sonority scale from lowest to highest is obstruents, sonorant consonants, and then vowels.

For example, in a word like Atlantic, which is written syllabically as at.lan.tic, the first syllable starts with the nucleus [a] and in the coda when sonority decreases it falls to the obstruent [t].  A new syllable is necessary because [l] is more sonorous than [t].  It violates the sonority principle to have [l] follow [t] in the coda.  In the second syllable, [l] is in the onset, rising to [a] the nucleus, and falling to [n] in the coda.   The third syllable cannot begin with [n] and then be followed by [t] in the onset because this would violate the sonority principle.  So the sonority scale is the reason we can have the word ant but not *atn or *nta.  If *nta is a word often a vowel is inserted into the pronunciation [nata].  Can you think of any exceptions where sounds in syllables violate the sonority principle?

May 08

Twitter Weekly Updates for 2010-05-08

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May 01

Twitter Weekly Updates for 2010-05-01

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Apr 24

Twitter Weekly Updates for 2010-04-24

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Twitter Weekly Updates for 2010-04-03

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Apr 01

Did You Know Languages Have Constituents?

american flag 2 300x151 Did You Know Languages Have Constituents?One aspect of language that all languages have in common is constituents.  All languages are organized in constituents, allowing more complex units to enter structures where simpler ones are also possible.  The following examples in English illustrate constituents (in italics).

She sat down

The smart woman sat down

The tall, smart woman with the bright orange sweater sat down

Constituents can be replaced by other constituents and can be moved if you move the complete constituent.  The complete constituent “the tall, smart woman with the bright orange sweater” can be replaced by the pronoun “she.”  In the examples above, the constituent is the subject of the sentence but it can also be in the predicate of the sentence.

I saw the tall, smart woman with the bright orange sweater

I saw her

Can you find the constituents in the next sentence?

The black and white squirrel that looks like a skunk ran up the tree.


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