◌̂

◌̂

1. (IPA) Falling tone.
2. (linear algebra) Used to indicate a unit vector.

   Coordinate term: ◌⃗

3. (statistics) Used to denote an estimator or an estimated value.
4. (geometry) Used for an angle.
5. (Lithuanian dialectology) Marks a stressed syllable with "broken tone".

• circumflex on Wikipedia.Wikipedia

◌̂

1. Retained in foreign loan words (mostly French): château, crème brûlée, crêpe, maître d', mêlée, papier-mâché, rôle, tête-à-tête.

◌̂

1. A diacritical mark of the Latin script, called ĉapelo (“hat”) in Esperanto, and found on Ĉ/ĉ, Ĝ/ĝ, Ĥ/ĥ, Ĵ/ĵ and Ŝ/ŝ.

◌̂

1. A diacritical mark of the Latin script, called accent circonflexe (“circumflex accent”) in French, and found on Â/â, Ê/ê, Î/î, Ô/ô and Û/û.

◌̂

1. Represents the fifth tone of Taiwanese Hokkien in Pe̍h-ōe-jī.

◌̂

1. (romanization) A diacritical mark of the Latin script, called サーカムフレックス (“circumflex”) in Japanese, and found on Â/â, Ê/ê, Î/î, Ô/ô and Û/û.

In a number of romanization systems of Japanese, particularly Kunrei-shiki, the circumflex indicates that a vowel is a long vowel.

Other romanization systems, particularly Hepburn, use the macron (an uppermost horizontal line: ¯) for that purpose.

◌̂

1. A diacritical mark of the Latin script, called acénto circonflèsso (“circumflex accent”) in Ligurian, and found on Â/â, Ê/ê, Î/î, Ô/ô and Û/û.
   1. Used to denote a stressed or unstressed /aː/, /eː/, /iː/, /uː/, /yː/

• ´
• `

◌̂

1. A diacritical mark of the Latin script, called acento circunflexo (“circumflex accent”) in Portuguese, and found on Â/â, Ê/ê and Ô/ô.

• In the letter a, forms â with the stressed sound /ɐ/, as in ânion and momentâneo.
• In the letter e, forms ê with the stressed sound /e/, as in nêutron and português.
• In the letter o, forms ô with the stressed sound /o/, as in avô and pôr.

◌̂

1. A diacritical mark of the Latin script, called accent circumflex (“circumflex accent”) in Romanian, and found on Â/â and Î/î.

◌̂

1. A diacritical mark of the Latin script, called dấu mũ (“hat mark”) in Vietnamese, and found on Â/â, Ầ/ầ, Ẩ/ẩ, Ẫ/ẫ, Ấ/ấ, Ậ/ậ, Ê/ê, Ề/ề, Ể/ể, Ễ/ễ, Ế/ế, Ệ/ệ, Ô/ô, Ồ/ồ, Ổ/ổ, Ỗ/ỗ, Ố/ố and Ộ/ộ.

In Vietnamese handwriting and signmaking, this diacritical mark often appears curved, similar to an inverted breve.

◌̂

1. A diacritical mark of the Latin script, called acen grom (“curved accent”) in Welsh, and found on Â/â, Ê/ê, Î/î, Ô/ô, Û/û, Ŵ/ŵ and Ŷ/ŷ.

◌̂

1. (obsolete) A diacritical mark of the Latin script, called àmì ohùn ẹlẹ́yọ̀ọ́rodò (“falling-tone mark”). Formerly used to indicate falling-tone, now written as ◌́ followed by ◌̀

• ìró ohùn ẹlẹ́yọ̀ọ́rodò (“falling tone”)