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Definition 2021


Θ

Θ


Θ U+0398, Θ
GREEK CAPITAL LETTER THETA
Η
[U+0397]
Greek and Coptic Ι
[U+0399]
See also: θ, θ', ө, ѳ, and

Translingual

Symbol

Θ

  1. (set theory) Θ, a certain ordinal number.
  2. (physics) The pentaquark.

Greek

Letter

Θ (Th) (uppercase, lowercase θ)

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

Numeral

Θ (Th)

  1. The number nine in Greek numerals.

Derived terms

  • (,Th, The number 9000 in Greek numerals)

Descendants

See also

θ

θ


θ U+03B8, θ
GREEK SMALL LETTER THETA
η
[U+03B7]
Greek and Coptic ι
[U+03B9]
See also: Θ, θ', ө, ѳ, and

Translingual

Symbol

θ

  1. (geometry) A plane angle.
  2. (IPA) voiceless dental fricative

Usage notes

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

See also


Greek

Letter

θ (th) (lowercase, uppercase Θ)

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

Numeral

θ'

  1. The number nine in Greek numerals.

  1. The number 9000 in Greek numerals.

See also