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Flapping or tapping, also known as alveolar flapping, intervocalic flapping, or t-voicing, is a phonological process found in many dialects of English, especially North American English, Australian English and New Zealand English, by which the consonants /t/ and sometimes also /d/ may be pronounced as a flap (tap) in certain positions, particularly between vowels (intervocalic position). In some cases, the effect is perceived by some listeners as the replacement of a /t/ sound with a /d/ sound; for example, the word butter pronounced with flapping may be heard as "budder".[1] In fact, /t/ and sometimes /d/ are pronounced in such positions as an alveolar flap (or tap; IPA symbol [ɾ]), a sound produced by briefly tapping the alveolar ridge with the tongue. Also, in similar positions, the combination /nt/ may be pronounced with a nasalized flap or stop so winter may sound similar or identical to winner.

The flap is also a variant of /r/ in other varieties such as South African English, Scottish English, and older varieties of Received Pronunciation (see Pronunciation of English /r/).[2]

Contents

TerminologyEdit

The terms flap and tap are often used synonymously, although some authors make a distinction between them. According to Heinz Giegerich, a flap involves a rapid movement of the tongue tip from a retracted vertical position to a (more or less) horizontal position, during which the tongue tip brushes the alveolar ridge, while a tap involves a rapid upward and downward movement of the tongue tip, the upward movement being voluntary and the lowering involuntary. On this view, the sound referred to here is the alveolar tap, rather than the flap, even though the term "flapping" is ingrained in much of the phonological literature.[3]

Even though taps and flaps are sometimes distinguished phonetically, no languages are known to contrast them, and they are assigned only one set of symbols in the International Phonetic Alphabet (IPA). The symbol for the alveolar tap (flap) discussed here is ɾ.

DistributionEdit

Flapping/tapping may occur when /t/ or /d/ occurs between two vowels, as in butter, writing, wedding, loader. However, it does not occur, in most dialects, if the /t/ or /d/ immediately precedes a stressed vowel, as in attack [əˈtʰæk], but they can tap across a word boundary, as in got over [ɡɑɾˈoʊvɚ], and when a word boundary is embedded within a word, as in buttinsky [bʌɾˈɪnski]. Australian English also taps word-internally before a stressed vowel in words like fourteen.

The cluster /nt/ can also be tapped and be pronounced with a nasalized tap [ɾ̃]. This may become indistinguishable from /n/, so words like winner and winter can become homophonous.

It is also reported that tapping may occur after r, as in barter[citation needed] and sometimes after l, as in faculty[citation needed] (but not immediately after the stress: alter → [ɔːɫtəɹ], not [*ɔːɫɾəɹ]).

HomophonyEdit

Flapping/tapping is a specific type of lenition, specifically intervocalic weakening. It leads to the neutralization of the distinction between /t/ and /d/ in appropriate environments;[citation needed] a partial merger of the two phonemes. For speakers with the merger, the following utterances sound the same or almost the same (click "show" to display the table):

Homophonous pairs
/-t-, -nt-/ /-d-, -n-/ IPA Notes
at 'em Adam ˈæɾəm
at 'em add 'em ˈæɾəm
atom Adam ˈæɾəm
atom add 'em ˈæɾəm
banter banner ˈbæɾ̃əɹ
batter badder ˈbæɾəɹ
beating beading ˈbiːɾɪ̈ŋ
betting bedding ˈbɛɾɪ̈ŋ
bitter bidder ˈbɪɾəɹ
boating boding ˈboʊɾɪ̈ŋ, ˈboːɾɪ̈ŋ
butting budding ˈbʌɾɪ̈ŋ
catty caddy ˈkæɾi
center sinner ˈsɪɾ̃əɹ With pen–pin merger.
cited sided ˈsaɪɾɪ̈d
coating coding ˈkoʊɾɪ̈ŋ, ˈkoːɾɪ̈ŋ
cuttle cuddle ˈkʌɾəɫ
cutty cuddy ˈkʌɾi
debtor deader ˈdɛɾəɹ
don't it doughnut ˈdoʊɾ̃ət With weak-vowel merger and toe-tow merger.
futile feudal ˈfjuːɾəɫ, ˈfɪuɾəɫ With weak-vowel merger before /l/.
greater grader ˈɡɹeɪɾəɹ, ˈɡɹeːɾəɹ
hearty hardy ˈhɑɹɾi
heated heeded ˈhiːɾɪ̈d With meet-meat merger.
hurting herding ˈhɜɹɾɪ̈ŋ With fern-fir-fur merger.
inter- inner ˈɪɾ̃əɹ
jointing joining ˈdʒɔɪɾ̃ɪ̈ŋ
kitty kiddie ˈkɪɾi
knotted nodded ˈnɒɾɪ̈d
ladder latter ˈlæɾəɹ
liter leader ˈliːɾəɹ With meet-meat merger.
manta manna ˈmæɾ̃ə
manta manner ˈmæɾ̃ə In non-rhotic accents.
manta manor ˈmæɾ̃ə In non-rhotic accents.
Marty Mardi ˈmɑɹɾi In the term Mardi Gras.
matter madder ˈmæɾəɹ
meant it minute ˈmɪɾ̃ɪ̈t With pen–pin merger.
metal medal ˈmɛɾəɫ
metal meddle ˈmɛɾəɫ
mettle medal ˈmɛɾəɫ
mettle meddle ˈmɛɾəɫ
minty many ˈmɪɾ̃i With pen–pin merger.
minty mini ˈmɪɾ̃i
minty Minnie ˈmɪɾ̃i
neater kneader ˈniːɾəɹ
neuter nuder ˈnuːɾəɹ, ˈnjuːɾəɹ, ˈnɪuɾəɹ
otter odder ˈɒɾəɹ
painting paining ˈpeɪɾ̃ɪ̈ŋ
parity parody ˈpæɹəɾi With weak-vowel merger
patty paddy ˈpæɾi
petal pedal ˈpɛɾəɫ
petal peddle ˈpɛɾəɫ
pettle pedal ˈpɛɾəɫ
pettle peddle ˈpɛɾəɫ
phantom fan 'em ˈfæɾ̃əm
planter planner ˈplæɾ̃əɹ
potted podded ˈpɒɾɪ̈d
rated raided ˈɹeɪɾɪ̈d With pane-pain merger.
rattle raddle ˈɹæɾəɫ
righting riding ˈɹaɪɾɪ̈ŋ
router ruder ˈɹuːɾəɹ With yod-dropping after /ɹ/.
Saturday sadder day ˈsæɾəɹdeɪ
satyr seder ˈseɪɾəɹ
seating seeding ˈsiːɾɪ̈ŋ With meet-meat merger.
sent it senate ˈsɛɾ̃ɪ̈t
set it said it ˈsɛɾɪ̈t
shutter shudder ˈʃʌɾəɹ
sighted sided ˈsaɪɾɪ̈d
sited sided ˈsaɪɾɪ̈d
title tidal ˈtaɪɾəɫ
traitor trader ˈtɹeɪɾəɹ With pane-pain merger.
Tudor tutor ˈtuːɾəɹ, ˈtjuːɾəɹ, ˈtɪuɾəɹ
waiter wader ˈweɪɾəɹ With pane-pain merger.
wetting wedding ˈwɛɾɪ̈ŋ
winter winner ˈwɪɾ̃əɹ
whiter wider ˈwaɪɾəɹ With wine–whine merger.
writing riding ˈɹaɪɾɪ̈ŋ

For most speakers, the merger does not occur when an intervocalic /t/ or /d/ is followed by a syllabic n so written and ridden remain distinct. A few speakers (including pockets in the Boston area) lack the rule that glottalizes t before syllabic n and so flap/tap /t/ and sometimes also /d/ in that environment. Pairs like potent-impotent, with the former having a preglottalized unreleased t or a glottal stop (but not a flap/tap) and the latter having either an aspirated t or a flap/tap, suggest that the level of stress on the preceding vowel may play a role in the applicability of glottalization and flapping/tapping before syllabic n. Some speakers in the Pacific Northwest turn /t/ into a flap but not /d/ so writer and rider remain distinct although the i is pronounced the same in both words.[citation needed]

In accents characterized by Canadian raising, such words as riding and writing, both of which have an alveolar flap, continue to be distinguished by the preceding vowel. The consonant distinction is neutralized, the underlying voice distinction continues to select the allophone of the /aɪ/ phoneme preceding it. Thus, for many North Americans, riding is [ɹaɪɾɪŋ] while writing is [ɹɐɪɾɪŋ].[citation needed] Vowel duration may also be different, with a longer vowel before tap realizations of /d/ than before tap realizations of /t/. At the phonetic level, the contrast between /t/ and /d/ may be maintained by the non-local cues, but as the cues are quite subtle, they may not be acquired/perceived by others. A merger of /t, d/ can thus be said to have occurred then.[citation needed]

Other languagesEdit

A similar process also occurs in other languages, such as the Western Apache language (and other Southern Athabaskan languages). In Western Apache, intervocalic /t/ similarly is realized as [ɾ] in intervocalic position. The process occurs even between words. However, tapping is blocked when /t/ is the initial consonant of a stem so tapping occurs only when /t/ is stem-internal or in a prefix. Unlike English, tapping is not affected by suprasegmentals (stress or tone). Another important example is Tagalog, in this case involving /d/ vs. [ɾ].

See alsoEdit

ReferencesEdit

  1. ^ See for example: Kirsten Fox, English Language Exam Guide, Insight Publications, 2011, p. 158.
  2. ^ Ogden, Richard (2009), An Introduction to English Phonetics, p. 92. Edinburgh University Press, ISBN 978-0-7486-2541-3
  3. ^ Giegerich, Heinz J. (1992). English Phonology, pp. 225, 241. Cambridge University Press.