ÿ U+00FF,ÿ LATIN SMALL LETTER Y WITH DIAERESIS Composition: y [U+0079] +◌̈ [U+0308] ←þ [U+00FE] Latin-1 Supplement Ā → [U+0100]

ÿ

1. (mathematics) The second-orderdifferential of y, using Newtonian calculus notation; the y-component of theacceleration.
2. (IPA) aclosecentralcompressedvowel.

ÿ (upper caseŸ)

1. Used in old or handwritten texts as a ligature forij: for example,lÿst =lijst (list).

• Audio(France (Lyon)):

  (file)

• Audio(France (Hérault)):

  (file)

ÿ (upper caseŸ)

1. Found in a few French names as variant of ï, such asPierre Louÿs andL'Haÿ-les-Roses, indicating that the ÿ forms a diphthong.

• IPA^(key): /ɰ/

ÿ (upper caseŸ)

1. Aletter of the Tlingitalphabet, written in theLatin script.

   Synonym:y̱

• Canada:
• (Latin-script letters)A a,Á á,À à, â,Ch ch,Chʼ chʼ,D d,Dł dł,Dz dz,E e,É é,È è,Ê ê,G g,Gw gw,Gh gh,Ghw ghw,H h,I i,Í í,Ì ì,Πî,J j,K k,Kw kw,Kʼ kʼ,Kʼw kʼw,Kh kh,Khw khw,Khʼ khʼ,Khʼw khʼw (L l),Ł ł,Łʼ łʼ (M m),N n (O o),S s,Sʼ sʼ,Sh sh,T t,Tʼ tʼ,Tl tl,Tlʼ tlʼ,Ts ts,Tsʼ tsʼ,U u,Ú ú,Ù ù,Û û,W w,X x,Xw xw,Xʼ xʼ,Xʼw xʼw,Xh xh,Xhw xhw,Xhʼ xhʼ,Xhʼw xhʼw,Y y (Ÿ ÿ),․
• US:
• (Latin-script letters)A a,Á á,Aa aa,Áa áa,Ch ch,Chʼ chʼ,D d,Dl dl,Dz dz,E e,É é,Ee ee,Ée ée,Ei ei,Éi éi,G g,Gw gw,G̱ g̱,G̱w g̱w,H h,I i,Í í,J j,K k,Kw kw,Kʼ kʼ,Kʼw kʼw,Ḵ ḵ,Ḵw ḵw,Ḵʼ ḵʼ,Ḵʼw ḵʼw,L l,Lʼ lʼ (Ḻ ḻ,M m),N n (O o),Oo oo,Óo óo,S s,Sʼ sʼ,Sh sh,T t,Tʼ tʼ,Tl tl,Tlʼ tlʼ,Ts ts,Tsʼ tsʼ,U u,Ú ú,W w,X x,Xw xw,Xʼ xʼ,Xʼw xʼw,X̱ x̱,X̱w x̱w,X̱ʼ x̱ʼ,X̱ʼw x̱ʼw,Y y (Ÿ ÿ,Y̱ y̱),․

• (North Wales)IPA^(key): /ˈɨː/,/ɨ̞/
• (South Wales)IPA^(key): /ˈiː/,/ɪ/

ÿ (upper caseŸ)

1. The letter Y, marked for one of its syllabic pronunciations, (/ɨː, ɨ̞/ or /iː, ɪ/), distinct from adjacent vowels.

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