θ

See also: Θ, θ', ɵ, ө, ѳ, ꆪ, and ϑ

θ U+03B8, θ GREEK SMALL LETTER THETA ← η [U+03B7] Greek and Coptic ι → [U+03B9]

Character variations

ᶿ U+1DBF, ᶿ MODIFIER LETTER SMALL THETA ← ᶾ [U+1DBE] Phonetic Extensions Supplement ◌᷀ → [U+1DC0]

𝜃 U+1D703, 𝜃 MATHEMATICAL ITALIC SMALL THETA ← 𝜂 [U+1D702] Mathematical Alphanumeric Symbols 𝜄 → [U+1D704]

Translingual

Symbol

θ

1. (geometry) A plane angle.
2. (IPA) a voiceless dental fricative.
3. (superscript ⟨ᶿ⟩, IPA) [θ]-fricated release of a plosive (e.g. [tᶿ], sometimes implying an affricate [t͜θ]); [θ]-coloring; or a weak, fleeting or epenthetic [θ].

Usage notes

• Not to be confused with ϐ (the curled beta).

See also

• θ on Wikipedia.Wikipedia

Ancient Greek

Etymology

Derived from its majuscule counterpart Θ.

Letter

θ • (th) (lowercase, uppercase Θ)

1. Lower-case theta (θῆτα), the 8th letter of the ancient Greek alphabet. It represented the voiceless aspirated dental or alveolar plosive /tʰ/ and later the voiceless dental fricative /θ/. It is preceded by η and followed by ι.

Derived terms

See also theta

• θ΄, ͵θ
• ѳ, Ѳ (Cyrillic)
• թ (tʻ), Թ (Tʻ) (Armenian)
• ⲑ, Ⲑ (Coptic)

See also

• (Greek-script letters) Α α, Β β, Γ γ, Δ δ, Ε ε, Ζ ζ, Η η, Θ θ, Ι ι, Κ κ, Λ λ, Μ μ, Ν ν, Ξ ξ, Ο ο, Π π, Ρ ρ, Σ σ ς, Τ τ, Υ υ, Φ φ, Χ χ, Ψ ψ, Ω ω
• (non-Classical letters) Ϝ (W) ϝ (w), Ͷ ͷ, Ͱ (H) ͱ (h), Ϻ (Ś) ϻ (ś), Ϟ, ϟ, Ϙ (Q) ϙ (q), Ͳ (S) ͳ (s)
• (punctuation) · ;
• (diacritics) ᾿ ῾ ◌́ ◌̀ ῀ ¨

Comox

Pronunciation

1. IPA^(key): /θ/

Letter

θ (no case)

1. A letter of the Comox alphabet, written in the Latin script.

See also

• (Latin-script letters) a, æ, aw, ay, ɔ, č, č̓, e, ɛ, ə, əw, əy, g, gʸ, h, i, ɩ, j, k, k̓, kʷ, k̓ʷ, kʸ, k̓ʸ, l, l̓, ɬ, ƛ, ƛ̓, m, m̓, n, n̓, o, ɔy, p, p̓, q, q̓, qʷ, q̓ʷ, s, š, t, t̓, θ, tᶿ, t̓ᶿ, u, ʊ, w, w̓, ꭓ, ꭓʷ, x, xʷ, y, y̓, ʔ, ꞉

Greek

Letter

θ • (th) (lowercase, uppercase Θ)

1. The lower case letter theta (θήτα), the eighth letter of the modern Greek alphabet.

See also

• (Greek-script letters) Α α, Β β, Γ γ, Δ δ, Ε ε, Ζ ζ, Η η, Θ θ, Ι ι, Κ κ, Λ λ, Μ μ, Ν ν, Ξ ξ, Ο ο, Π π, Ρ ρ, Σ σ ς, Τ τ, Υ υ, Φ φ, Χ χ, Ψ ψ, Ω ω
• (non-Classical letters) Ϝ (W) ϝ (w), Ͷ ͷ, Ͱ (H) ͱ (h), Ϻ (Ś) ϻ (ś), Ϟ, ϟ, Ϙ (Q) ϙ (q), Ͳ (S) ͳ (s)
• (punctuation) · ;
• (diacritics) ᾿ ῾ ◌́ ◌̀ ῀ ¨
• θ΄
• ͵θ

Halkomelem

Pronunciation

• IPA^(key): /θ/

Letter

θ (no case)

1. (Musqueam) A letter of the Halkomelem alphabet.

See also

• Musqueam (Latin-script letters) c, c̓, č, h, k, kʷ, k̓ʷ, l, l̓, ƛ̓, ɬ, m, m̓, n, n̓, p, p̓, q, q̓, qʷ, q̓ʷ, s, š, t, t̓, t̓ᶿ, θ, w, w̓, x, xʷ, ꭓ, ꭓʷ, y, y̓, ʔ, a, a꞉, e, e꞉, i, i꞉, u, u꞉, ə

• Stó꞉lō (Latin-script letters) A a, Ch ch, Chʼ chʼ, E e, H h, I i, K k, Kʼ kʼ, Kw kw, Kwʼ kwʼ, L l, Lh lh, M n, O o, Ō ō, P p, Pʼ pʼ, Q q, Qʼ qʼ, Qw qw, Qwʼ qwʼ, S s, Sh sh, T t, Tʼ tʼ, Th th, Thʼ thʼ, Tlʼ tlʼ, Ts ts, Tsʼ tsʼ, U u, W w, X x, Xw xw, X̱ x̱, X̱w x̱w, Y y, ʼ, ꞉

• Cowichan (Latin-script letters) A a, Aa aa, Ch ch, Chʼ chʼ, E e, Ee ee, H h, Hw hw, I i, Ii ii, K k, Kw kw, Kwʼ kwʼ, L l, Lʼ lʼ (ʼl), Lh lh, M m, Mʼ mʼ (ʼm), N n, Nʼ nʼ (ʼn), O o, Oo oo, Ou ou, P p, Pʼ pʼ, Q q, Qʼ qʼ, Qw qw, Qwʼ qwʼ, S s, Sh sh, T t, Tʼ tʼ, Th th, Tlʼ tlʼ, Ts ts, Tsʼ tsʼ, Tth tth, Tthʼ tthʼ, U u, W w, Wʼ wʼ (ʼw), X x, Xw xw, Y y, Yʼ yʼ (ʼy), ʼ

Romani

Pronunciation

• IPA^(key): (after n) /d/, (after any other letter) /t/

Letter

θ (lower case, upper case ϴ)

1. (International Standard) Used to represent -θar and -θe.

See also

• (Latin-script letters) A a, B b, C c, D d, E e, F f, G g, H h, X x, I i, J j, K k, Kh kh, L l, M m, N n, O o, P p, Ph ph, R r, S s, T t, Th th, U u, V v, Z z International Standard: (À à, Ä ä, Ǎ ǎ), Ć ć, Ćh ćh, (È è, Ë ë, Ě ě), (Ì ì, Ï ï, Ǐ ǐ), (Ò ò, Ö ö, Ǒ ǒ), Rr rr, Ś ś, (Ù ù, Ü ü, Ǔ ǔ), Ź ź, Ʒ ʒ, Q q, Ç ç, ϴ θ. Pan-Vlax: Č č, Čh čh, Dž dž, (Dź dź), Ř ř, Š š, (Ś ś), Ž ž, (Ź ź).

References

• Yūsuke Sumi (2018) “-θ-”, in ニューエクスプレス　ロマ（ジプシー）語 [New Express Romani (Gypsy)] (in Japanese), Tokyo: Hakusuisha, →ISBN, page 15