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  2. Pulmonic consonant - Wikipedia

    en.wikipedia.org/wiki/Pulmonic_consonant

    A pulmonic consonant is a consonant produced by air pressure from the lungs, as opposed to ejective, implosive and click consonants. Most languages have only pulmonic consonants. Ian Maddieson, in his survey of 566 languages, [ 1 ] [ 2 ] found that only 152 had ejectives, implosives, or clicks (or two or three of these types) – that is, 73% ...

  3. List of letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/List_of_letters_used_in...

    Latin and Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities.

  4. IPA consonant chart with audio - Wikipedia

    en.wikipedia.org/wiki/IPA_consonant_chart_with_audio

    The International Phonetic Alphabet, or IPA, is an alphabetic system of phonetic notation based primarily on the Latin alphabet. It was devised by the International Phonetic Association as a standardized representation of the sounds of spoken language. [1] The following tables present pulmonic and non-pulmonic consonants.

  5. Implosive consonant - Wikipedia

    en.wikipedia.org/wiki/Implosive_consonant

    Implosive consonants are a group of stop consonants (and possibly also some affricates) with a mixed glottalic ingressive and pulmonic egressive airstream mechanism. [1] That is, the airstream is controlled by moving the glottis downward in addition to expelling air from the lungs.

  6. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula.

  7. Ingressive sound - Wikipedia

    en.wikipedia.org/wiki/Ingressive_sound

    The three types of ingressive sounds are lingual ingressive or velaric ingressive (from the tongue and the velum), glottalic ingressive (from the glottis), and pulmonic ingressive (from the lungs). The opposite of an ingressive sound is an egressive sound, by which the air stream is created by pushing air out through the mouth or nose. The ...

  8. Egressive sound - Wikipedia

    en.wikipedia.org/wiki/Egressive_sound

    The three types of egressive sounds are pulmonic egressive (from the lungs), glottalic egressive (from the glottis), and lingual (velaric) egressive (from the tongue). The opposite of an egressive sound is an ingressive sound , in which the airstream flows inward through the mouth or nose.

  9. Airstream mechanism - Wikipedia

    en.wikipedia.org/wiki/Airstream_mechanism

    The vast majority of sounds used in human languages are pulmonic egressives. In most languages, including all the languages of Europe (excluding the Caucasus), all phonemes are pulmonic egressives. The only attested use of a phonemic pulmonic ingressive is a lateral fricative in Damin, a ritual language formerly used by speakers of Lardil in ...