linguistics Linguistics is the scientific study of human language. It is called a scientific study because it entails a comprehensive, systematic, objective, and precise analysis of all aspects of language, particularly its nature and structure. Ling ...

, a segment is "any discrete unit that can be identified, either physically or auditorily, in the stream of

speech Speech is a human vocal communication using language. Each language uses phonetic combinations of vowel and consonant sounds that form the sound of its words (that is, all English words sound different from all French words, even if they are th ...

". The term is most used in

phonetics Phonetics is a branch of linguistics that studies how humans produce and perceive sounds, or in the case of sign languages, the equivalent aspects of sign. Linguists who specialize in studying the physical properties of speech are phoneticians. ...

and

phonology Phonology is the branch of linguistics that studies how languages or dialects systematically organize their sounds or, for sign languages, their constituent parts of signs. The term can also refer specifically to the sound or sign system of a ...

to refer to the smallest elements in a

language Language is a structured system of communication. The structure of a language is its grammar and the free components are its vocabulary. Languages are the primary means by which humans communicate, and may be conveyed through a variety of ...

, and this usage can be synonymous with the term

phone A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most efficiently the human voice, into ele ...

. In spoken languages, segments will typically be grouped into consonants and vowels, but the term can be applied to any minimal unit of a linear sequence meaningful to the given field of analysis, such as a mora or a

syllable A syllable is a unit of organization for a sequence of speech sounds typically made up of a syllable nucleus (most often a vowel) with optional initial and final margins (typically, consonants). Syllables are often considered the phonological ...

in prosodic phonology, a

morpheme A morpheme is the smallest meaningful Constituent (linguistics), constituent of a linguistic expression. The field of linguistics, linguistic study dedicated to morphemes is called morphology (linguistics), morphology. In English, morphemes are ...

in morphology, or a chereme in

sign language Sign languages (also known as signed languages) are languages that use the visual-manual modality to convey meaning, instead of spoken words. Sign languages are expressed through manual articulation in combination with non-manual markers. Sign ...

analysis. Segments are called "discrete" because they are, at least at some analytical level, separate and individual, and temporally ordered. Segments are generally not completely discrete in speech production or perception, however. The articulatory, visual and acoustic cues that encode them often overlap. Examples of overlap for spoken languages can be found in discussions of phonological assimilation, coarticulation, and other areas in the study of phonetics and phonology, especially autosegmental phonology. Other articulatory, visual or acoustic cues, such as prosody ( tone,

stress Stress may refer to: Science and medicine * Stress (biology), an organism's response to a stressor such as an environmental condition * Stress (linguistics), relative emphasis or prominence given to a syllable in a word, or to a word in a phrase ...

), and

secondary articulation In phonetics, secondary articulation occurs when the articulation of a consonant is equivalent to the combined articulations of two or three simpler consonants, at least one of which is an approximant. The secondary articulation of such co-articu ...

s such as

nasalization In phonetics, nasalization (or nasalisation) is the production of a sound while the velum is lowered, so that some air escapes through the nose during the production of the sound by the mouth. An archetypal nasal sound is . In the Internation ...

, may overlap multiple segments and cannot be discretely ordered with them. These elements are known as ''suprasegmentals''.

Types

, the smallest perceptible segment is a

. In

, there is a subfield of segmental phonology that deals with the analysis of speech into

phoneme In phonology and linguistics, a phoneme () is a unit of sound that can distinguish one word from another in a particular language. For example, in most dialects of English, with the notable exception of the West Midlands and the north-wes ...

s (or ''segmental phonemes''), which correspond fairly well to phonetic segments of the analysed speech. The segmental phonemes of

(formally called " cheremes") are visual movements of hands, face, and body. They occur in a distinct spatial and temporal order. The SignWriting script represents the spatial order of the segments with a spatial cluster of

grapheme In linguistics, a grapheme is the smallest functional unit of a writing system. The word ''grapheme'' is derived and the suffix ''-eme'' by analogy with ''phoneme'' and other names of emic units. The study of graphemes is called '' graphemi ...

s. Other notations for sign language use a temporal order that implies a spatial order.

Marginal segments

When analyzing the inventory of segmental units in any given

, some segments will be found to be ''marginal,'' in the sense that they are only found in

onomatopoeic Onomatopoeia is the process of creating a word that phonetically imitates, resembles, or suggests the sound that it describes. Such a word itself is also called an onomatopoeia. Common onomatopoeias include animal noises such as ''oink'', ''m ...

words,

interjection An interjection is a word or expression that occurs as an utterance on its own and expresses a spontaneous feeling or reaction. It is a diverse category, encompassing many different parts of speech, such as exclamations ''(ouch!'', ''wow!''), curse ...

s, loan words, or a very limited number of ordinary words, but not throughout the language. Marginal segments, especially in loan words, are often the source of new segments in the general inventory of a language.

Suprasegmentals

Some contrastive elements of speech cannot be easily analyzed as distinct segments but rather belong to a syllable or word. These elements are called suprasegmental, and include intonation and

. In some languages nasality and

vowel harmony In phonology, vowel harmony is an assimilatory process in which the vowels of a given domain – typically a phonological word – have to be members of the same natural class (thus "in harmony"). Vowel harmony is typically long distance, me ...

Types

Marginal segments

Suprasegmentals

See also

References

Citations

Sources