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Polysemy. Semantic Structure of the Word
The semantic structure of the word does not present an indissoluble unity (that is, actually, why it is referred to as "structure"), nor does it necessarily stand for one concept. It is generally known that most words convey several concepts and thus possess the corresponding number of meanings. A word having several meanings is called polysemantic, and the ability of words to have more than one meaning is described by the term polysemy.
Two somewhat naive but frequently asked questions may arise in connection with polysemy:
1. Is polysemy an anomaly or a general rule in English vocabulary?
2. Is polysemy an advantage or a disadvantage so far as the process of communication is concerned? Let us deal with both these questions together. Polysemy is certainly not an anomaly. Most English words are polysemantic. It should be noted that the wealth of expressive resources of a language largely depends on the degree to which polysemy has developed in the language. Sometimes people who are not very well informed in linguistic matters claim that a language is lacking in words if the need arises for the same word to be applied to several different phenomena. In actual fact, it is exactly the opposite: if each word is found to be capable of conveying, let us say, at least two concepts instead of one, the expressive potential of the whole vocabulary increases twofold. Hence, a well-developed polysemy is not a drawback but a great advantage in a language.
On the other hand, it should be pointed out that the number of sound combinations that human speech organs can produce is limited. Therefore at a certain stage of language development the production of new words by morphological means becomes limited, and polysemy becomes increasingly important in providing the means for enriching the vocabulary. From this, it should be clear that the process of enriching the vocabulary does not consist merely in adding new words to it, but, also, in the constant development of polysemy.
The system of meanings of any polysemantic word develops gradually, mostly over the centuries, as more and more new meanings are either added to old ones, or oust some of them (see Ch. 8). So the complicated processes of polysemy development involve both the appearance of new meanings and the loss of old ones. Yet, the general tendency with English vocabulary at the modern stage of its history is to increase the total number of its meanings and in this way to provide for a quantitative and qualitative growth of the language's expressive resources.
When analysing the semantic structure of a polysemantic word, it is necessary to distinguish between two levels of analysis.
On the first level, the semantic structure of a word is treated as a system of meanings. For example, the semantic structure of the noun fire could be roughly presented by this scheme (only the most frequent meanings are given):
The above scheme suggests that meaning I holds a kind of dominance over the other meanings conveying the concept in the most general way whereas meanings П—V are associated with special circumstances, aspects and instances of the same phenomenon.
Meaning I (generally referred to as the main meaning) presents the centre of the semantic structure of the word holding it together. It is mainly through meaning I that meanings II—V (they are called secondary meanings) can be associated with one another, some of them exclusively through meaning I, as, for instance, meanings IV and V.
It would hardly be possible to establish any logical associations between some of the meanings of the noun bar except through the main meaning:1
Meanings II and III have no logical links with one another whereas each separately is easily associated with meaning I: meaning II through the traditional barrier dividing a court-room into two parts; meaning III through the counter serving as a kind of barrier between the customers of a pub and the barman.
Yet, it is not in every polysemantic word that such a centre can be found. Some semantic structures are arranged on a different principle. In the following list of meanings of the adjective dull one can hardly hope to find a generalized meaning covering and holding together the rest of the semantic structure.
I. Uninteresting, monotonous, boring; e. g. a dull book, a dull film.
II. Slow in understanding, stupid; e. g. a dull student.
III. Not clear or bright; e. g. dull weather, a dull day, a dull colour.
IV. Not loud or distinct; e. g. a dull sound.
V. Not sharp; e. g. a dull knife.
VI. Not active; e. g. Trade is dull.
VII. Seeing badly; e. g. dull eyes (arch.). VIII. Hearing badly; e. g. dull ears (arch.).
Yet, one distinctly feels that there is something that all these seemingly miscellaneous meanings have in common, and that is the implication of deficiency, be it of colour (m. Ill), wits (m. II), interest (m. I), sharpness (m. V), etc. The implication of insufficient quality, of something lacking, can be clearly distinguished in each separate meaning.
In fact, each meaning definition in the given scheme can be subjected to a transformational operation to prove the point.
I. Uninteresting ——> deficient in interest or excitement.
II. ... Stupid ——> deficient in intellect.
III. Not bright ——> deficient in light or colour.
IV. Not loud ——> deficient in sound.
V. Not sharp ——> deficient in sharpness.
VI. Not active ——> deficient in activity.
VII. Seeing badly ——> deficient in eyesight.
VIII. Hearing badly ——> deficient in hearing.
The transformed scheme of the semantic structure of dull clearly shows that the centre holding together the complex semantic structure of this word is not one of the meanings but a certain component that can be easily singled out within each separate meaning.
This brings us to the second level of analysis of the semantic structure of a word. The transformational operation with the meaning definitions of dull reveals something very significant: the semantic structure of the word is "divisible", as it were, not only at the level of different meanings but, also, at a deeper level.
Each separate meaning seems to be subject to structural analysis in which it may be represented as sets of semantic components. In terms of componential analysis, one of the modern methods of semantic research, the meaning of a word is defined as a set of elements of meaning which are not part of the vocabulary of the language itself, but rather theoretical elements, postulated in order to describe the semantic relations between the lexical elements of a given language.
The scheme of the semantic structure of dull shows that the semantic structure of a word is not a mere system of meanings, for each separate meaning is subject to further subdivision and possesses an inner structure of its own.
Therefore, the semantic structure of a word should be investigated at both these levels: a) of different meanings, b) of semantic components within each separate meaning. For a monosemantic word (i. e. a word with one meaning) the first level is naturally excluded.
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