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Created page with "'''A''' (named ''a'') is the first letter and the first vowel of the modern Latin alphabet and the ISO basic Latin alphabet. Its design is historically derived from the Greek letter alpha, which was in turn adapted from the Phoenician letter ''aleph''. In English orthography, "A" represents several distinct vowel sounds depending on stress and syllable structure, ranging from the open front unrounded vowel..." Tags: Mobile edit Mobile web edit |
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{{SHORTDESC:First letter of the Latin alphabet}} | |||
'''A''' (named ''a'') is the first letter and the first [[vowel]] of the modern [[Latin alphabet]] and the [[ISO basic Latin alphabet]]. Its design is historically derived from the [[Greek alphabet|Greek]] letter [[alpha]], which was in turn adapted from the [[Phoenician alphabet|Phoenician]] letter ''[[aleph]]''. | '''A''' (named ''a'') is the first letter and the first [[vowel]] of the modern [[Latin alphabet]] and the [[ISO basic Latin alphabet]]. Its design is historically derived from the [[Greek alphabet|Greek]] letter [[alpha]], which was in turn adapted from the [[Phoenician alphabet|Phoenician]] letter ''[[aleph]]''. | ||
[[File:The letter A.png|jmpl|The letter "A"]] | |||
In English orthography, "A" represents several distinct vowel sounds depending on stress and syllable structure, ranging from the [[open front unrounded vowel]] to various diphthongs. | In English orthography, "A" represents several distinct vowel sounds depending on stress and syllable structure, ranging from the [[open front unrounded vowel]] to various diphthongs. | ||
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== References == | == References == | ||
<references /> | <references /> | ||
[[id:A]] | |||
[[Category:Latin-script letters]] | [[Category:Latin-script letters]] | ||
[[Category:Vowels]] | [[Category:Vowels]] | ||
[[Category:Symbols]] | [[Category:Symbols]] | ||
Latest revision as of 13:48, 10 August 2026
A (named a) is the first letter and the first vowel of the modern Latin alphabet and the ISO basic Latin alphabet. Its design is historically derived from the Greek letter alpha, which was in turn adapted from the Phoenician letter aleph.
In English orthography, "A" represents several distinct vowel sounds depending on stress and syllable structure, ranging from the open front unrounded vowel to various diphthongs.
Historical Development
[edit | edit source]The letter's visual typography underwent significant structural transformations across ancient Mediterranean writing systems.
Epigraphic Roots
[edit | edit source]- Egyptian Hieroglyphs and Proto-Sinaitic: The earliest ancestor of the glyph was a pictogram representing an ox's head.
- Phoenician Standardization: Around 1000 BCE, Phoenician scribes simplified the ox head into a triangular shape turned sideways, naming it aleph (meaning "ox").
- Greco-Roman Adaptation: When the Greeks adopted the alphabet, they flipped the letter upright to create Alpha (Α), using it to denote a vowel sound rather than a glottal stop. The Etruscans subsequently transmitted this glyph to the Romans, establishing its contemporary capital form.
Typographic Forms and Variants
[edit | edit source]In modern typesetting, the lowercase "a" typically appears in two primary variants:
- Double-storey 'a': The standard form used in most printed and digital Roman typefaces, featuring a top bowl and lower loop.
- Single-storey 'ɑ': The handwritten form (and standard in many italics), consisting of a simple circle with a vertical stroke on the right.
Applications Across Disciplines
[edit | edit source]Apart from its linguistic function, the character serves as a standardized scientific and cultural notation:
- Mathematics and Logic: Often used to represent constants, primary variables, or universal quantification ($\forall$).
- Computer Science: Hexadecimal digit representing the decimal number 10, and hexadecimal ASCII code 0x41 (capital) / 0x61 (lowercase).
- Medicine and Biology: Designates blood group A under the ABO system, as well as Vitamin A.
- Music Theory: Represents the pitch A (also known as La), serving as the standard reference frequency (A440 = 440 Hz) for instrumental tuning.
Character Codes
[edit | edit source]| System | Character | Decimal | Hexadecimal |
|---|---|---|---|
| ASCII Uppercase | A | 65 | U+0041 |
| ASCII Lowercase | a | 97 | U+0061 |
| UTF-8 Fullwidth Uppercase | Ａ | 65313 | U+FF21 |
| UTF-8 Fullwidth Lowercase | ａ | 65345 | U+FF41 |