A voiceless bilabial plosive or stop is a type of consonantal sound used in most spoken languages. It is familiar to English-speakers as the "p" sound in "spit". The symbol in the International Phonetic Alphabet that represents this sound is .
Features
upright=0.6|thumb|class=skin-invert-image|[[Sagittal section of a voiceless bilabial plosive]]
Features of a voiceless bilabial plosive:
Occurrence
Research has shown that incidental learning positively impacts the acquisition of the /p/ sound for Arabic speakers and other EFL learners. This is particularly interesting given that the stop is missing from about 10% of languages that have a . (See voiced velar stop for another such gap.) This is an areal feature of the circum-Saharan zone (Africa north of the equator plus the Arabian Peninsula). It is not known how old this areal feature is, and whether it might be a recent phenomenon due to Arabic as a prestige language, or whether Arabic was itself affected by a more ancient areal pattern.|| /papik ||||'grandpa' || Contrasts with aspirated form
|-
| colspan="2" | Assyrian|| ܦܬܐ || | || 'face'||
|-
| colspan="2" | Basque|| || || 'to catch'||
|-
| colspan="2" | Bengali || |||| 'road' || Contrasts with aspirated form. See Bengali phonology
|-
| colspan="2" | Catalan || || || 'fear' || See Catalan phonology
|-
| colspan="2" |Chuvash
|путене/putene
|
|'quail'
|
|-
| colspan="2" | Czech || || || 'dog'|| See Czech phonology
|-
| Danish || Standard || || || 'book' || Usually transcribed in IPA with or . It may be partially voiced in the intervocalic position. It contrasts with aspirated form, which is usually transcribed in IPA with or . See Danish phonology
|-
| colspan="2" | Dutch || || || 'duty'|| See Dutch phonology
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| colspan="2" | English || pack || || 'pack'|| See English phonology
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| colspan="2" | Esperanto || || || 'time'|| See Esperanto phonology
|-
| colspan="2" | Filipino || || || 'duck' ||
|-
| colspan="2" | Finnish || || || 'grandpa'|| See Finnish phonology
|-
| colspan="2" | French || || || 'apple'|| See French phonology
|-
|Gan Chinese
|Nanchangnese
|
|
|'magic'
|Contrasts with aspirated form. See Nanchangnese phonology
|-
| colspan="2" | German || || || 'pile' || See Standard German phonology
|-
| colspan="2" | Greek || || || 'leg'|| See Modern Greek phonology
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| colspan="2" | Gujarati || /pag || || 'foot' || See Gujarati phonology
|-
|Hakka Chinese
|Meizhounese
| / ho² ba⁴
|
|'river'
|Contrasts with aspirated form. See Meizhounese phonology
|-
| colspan="2" | Hebrew|| /pakid |||| 'clerk' || See Modern Hebrew phonology
|-
| rowspan="2" | Hindustani
| Urdu
| پل/pal
| rowspan="2" |
| rowspan="2" | 'moment'
| rowspan="2" | Contrasts with aspirated form. See Hindustani phonology
|-
| Hindi
| / pal
|-
| Hmong
| White Hmong || / || || 'to throw'
|-
| colspan="2" | Hungarian || || || 'pope' || See Hungarian phonology
|-
| colspan="2" | Italian || || || 'dad'|| See Italian phonology
|-
| colspan="2" | Japanese || / || || 'mailbox'|| See Japanese phonology
|-
| colspan="2" | Kabardian || / / pė |||| 'nose'||
|-
| colspan="2" | Khmer || / || || 'to explain' || See Khmer phonology
|-
| colspan="2" | Korean || || || 'light'||See Korean phonology
|-
| rowspan="3" |Kurdish
|Northern
|پۆر /
|
|'hair'
| rowspan="3" |See Kurdish phonology
|-
|Central
| / píroze
|
|'lammergeier'
|-
|Southern
| / pûûnga
|
|'pennyroyal'
|-
| colspan="2" | Lakota || púza || || 'dry'||
|-
| colspan="2" |Lithuanian
|pastatas
|
|'building'
|See Lithuanian phonology
|-
| colspan="2" | Luxembourgish || || || 'cheap' || Less often voiced . It is usually transcribed , and contrasts with voiceless aspirated form, which is usually transcribed . || || || 'belt'|| See Polish phonology
|-
| colspan="2" | Portuguese || || || 'father'|| See Portuguese phonology
|-
|colspan=2| Punjabi
| ਪੱਤਾ/ پتا / pattā
|
| 'leaf'
|-
| colspan="2" | Romanian || || || 'step'|| See Romanian phonology
|-
| colspan="2" | Russian || /plod || || 'fruit'|| Contrasts with palatalized form. See Russian phonology
|-
| colspan="2" | Serbo-Croatian || / || || 'drink' || See Serbo-Croatian phonology
|-
| colspan="2" | Slovak || || || 'dog'||
|-
| colspan="2" |Slovene
|
|
|'dog'
|See Slovene phonology
|-
| colspan="2" | Spanish || || || 'weight'|| See Spanish phonology
|-
| colspan="2" |Swahili
|pombe / پٗونْبٖ
|
|'beer'
|
|-
| colspan="2" | Swedish || || || 'monkey'|| See Swedish phonology
|-
| colspan="2" | Telugu || || || 'work'|| Contrasts with aspirated form in old Telugu. However aspirated form is almost always pronounced as voiceless labiodental fricative in modern Telugu.
|-
| colspan="2" |Thai
|/
|
|'powder'
|See Thai phonology
|-
| colspan="2" |Toki Pona
|pilin
|
|'feeling'
|
|-
| colspan="2" | Tsez || пу/pu |||| 'side'|| Contrasts with ejective form.
|-
| colspan="2" | Turkish || || || 'pot'|| See Turkish phonology
|-
| colspan="2" | Ukrainian ||/pavuk |||| 'spider'|| See Ukrainian phonology
|-
| colspan="2" | Vietnamese|| || || 'tweezers'||See Vietnamese phonology
|-
| colspan="2" |Welsh
|siop
|
|'shop'
|See Welsh phonology
|-
| colspan="2" | West Frisian|| || || 'pan'||
|-
| rowspan="3" |Wu Chinese
|Shanghainese
| /
|
|'spring'
|Contrasts with aspirated form. See Shanghainese phonology
|-
|Suzhounese
| /
|
|'pretty'
|Contrasts with aspirated form. See Suzhounese phonology
|-
|Wenzhounese
| /
|
|'tear'
|Contrasts with aspirated form. See Wenzhounese phonology
|-
| colspan="2" | Yi|| / || || 'exchange'|| Contrasts aspirated and unaspirated forms.
|-
| rowspan="2" |Yue Chinese
|Cantonese
| / zyu¹ tau⁴ bing²
|
|'blockhead'
|Contrasts with aspirated form. See Cantonese phonology
|-
|Taishanese
|
|
|'white'
|Contrasts with aspirated form. See Taishanese phonology
|-
| colspan="2" | Central Alaskan Yup'ik|| || || 'daughter'||
|-
| Zapotec|| Tilquiapan|| pan|| || 'bread'||
|}
See also
- List of phonetics topics