Definition

1. Noun:
   • A diacritical mark is a small visual symbol added to a letter of an alphabet to indicate a special phonetic value, such as a change in pronunciation, stress, tone, or to distinguish it from a similar-looking letter without the mark. It is not a separate letter but a modifying sign.

Usage

• Diacritical marks are used in many writing systems, including those based on the Latin, Greek, and Cyrillic alphabets, to alter or specify the sound of the base letter.
• They are essential for correct spelling, pronunciation, and meaning in languages like French, Spanish, German, Vietnamese, and many others.
• The term "diacritical mark" is a formal, general category. In specific contexts, the individual marks have their own names (e.g., accent, tilde, umlaut).

Examples

• Noun:
  • The French word "naïve" contains a diacritical mark called a diaeresis (¨) over the 'i'.
  • In Spanish, the tilde (~) is a diacritical mark that turns the letter 'n' into 'ñ', representing a different sound.
  • The acute accent (´) in "café" is a diacritical mark indicating stress or a specific vowel quality.

Advanced Usage

• "Diacritic" as a noun: Often used interchangeably with "diacritical mark." For example, "The letter 'ç' uses a cedilla diacritic."
• Technical Linguistics: In computational linguistics and character encoding (like Unicode), diacritical marks are often referred to as "combining characters" because they combine with a base letter to form a single visual glyph.

Variants and Related Words

• Diacritic (n): A synonym for diacritical mark.
• Diacritical (adj): Describing something that serves to distinguish. For example, "diacritical signs."
• Accent mark: A common type of diacritical mark, though "accent" often refers specifically to marks indicating stress or pitch (e.g., acute, grave, circumflex).

Synonyms

• Accent: (In a broad, non-technical sense) Often used by English speakers to refer to marks like é, è, ê.
• Modifier mark: A descriptive synonym emphasizing its function.
• Glyph modifier: A technical term used in typography and computing.

Related Phrases and Compounds

(Note: "Diacritical mark" itself is a compound noun. The following are related descriptive phrases.) - Add a diacritical mark: The process of placing the mark on a letter. - You must add a diacritical mark to the 'o' to spell "façade" correctly. - Bearing a diacritical mark: Describing a letter that has one. - The word "rôle" has an 'o' bearing a circumflex diacritical mark.

Related Idioms

(There are no common idioms centered on the term "diacritical mark." It is a technical, descriptive term.)

Noun

1. a mark added to a letter to indicate a special pronunciation