z

The twenty-sixth and final letter of the English alphabet, and the twenty-first consonant, representing the voiced alveolar sibilant sound /z/. As a grapheme, 'Z' is the least frequently used letter in written English. Its name is pronounced 'zed' in British English and 'zee' in American English. It often appears in words of Greek origin and in the formation of plurals and verb conjugations. It functions as a symbol for sleep or snoring in comics, an abbreviation for zero, a variable representing a third dimension in mathematics, and the twenty-sixth item in a sequence.

• 🇵🇹Vigésima sexta e última letra do alfabeto inglês, consoante; é a letra mais rara do inglês e representa o som /z/. Usada em quadrinhos para indicar sono, como abreviação de zero, para o eixo Z em gráficos tridimensionais e como último item de uma sequência.

1. The twenty-sixth letter of the English alphabet A1 formal

   The uppercase or lowercase character (Z, z) that constitutes the twenty-sixth and final symbol in the Latin-based English alphabet, classified as a consonant. It represents a voiced alveolar sibilant. Its name differs regionally: 'zed' in most English-speaking countries, but 'zee' in the United States. It is the least common letter in English texts and is often used to form plural nouns and the third-person singular of verbs.

   • The word 'zebra' begins with the letter Z.
   • In American English, Z is pronounced 'zee'.
   • The alphabet ends with the letter Z.
   • He got from A to Z in record time.
   • The plural of 'quiz' is formed by adding a second Z, then 'es'.

   🇵🇹Vigésima sexta letra do alfabeto inglês

2. A symbol for sleep or snoring A2 informal

   The letter Z repeated in a string ('ZZZ') is a nearly universal onomatopoeic representation of sleep, particularly the sound of snoring. It originates from early 20th-century American comics, where sawing wood or snoring was visually symbolized by a floating 'Z' line. It is recognized globally in cartoons, comic strips, and emoji usage.

   • The cartoon character had a bubble with ZZZ above his head.
   • I need to catch some Zs before the big trip.
   • He was so tired, he was sawing Zs on the couch.
   • The sleeping cat emoji often includes a tiny Z.
   • The comic strip showed the guard catching some Zs at his post.

   🇵🇹Sono, ronco (em quadrinhos)

3. An abbreviation for zero A2 informal

   The letter Z used occasionally as a representation for zero, primarily in contexts like sports scores, technical logs, or in the expression 'from A to Z'. While '0' is the standard numeral, 'Z' can denote the bottom or absolute starting point in certain alphanumeric ranking systems or as a slang abbreviation in contexts like 'z-score' in statistics.

   • The final score was team A 3, team B Z (zero).
   • The statistical Z-score measures distance from the mean.
   • The search turned up Z results.
   • He knows everything from A to Z.
   • The counter read Z, meaning we were out of stock.

   🇵🇹Zero (abreviação ou gíria)

4. The third variable or axis in three-dimensional space B2 formal scientific

   The lowercase letter z used as the standard mathematical symbol for the third dimension in three-dimensional coordinate systems. The z-axis is typically perpendicular to both the x-axis and y-axis, representing depth or height beyond the flat plane. It is fundamental to 3D modeling, calculus, physics, and vector graphics.

   • The point was located at coordinates (x=2, y=3, z=5).
   • The z-axis represents depth in a 3D graph.
   • The object was rotated around the z-axis.
   • 3D printers build objects layer by layer along the z-axis.
   • The function f(x,y,z) depends on three variables.

   🇵🇹Terceira variável ou eixo Z (em matemática)

5. The final item in a sequence A2 formal

   A designation used to mark the twenty-sixth and final position, item, or category within a structured sequence. Being at the end of the alphabet, Z often symbolizes finality, the end, or completeness. It is used in grading systems, product lines, section labels, and the idiom 'from A to Z' meaning 'completely' or 'from start to finish'.

   • Generation Z is the demographic cohort following Millennials.
   • Plan Z was their absolute last resort.
   • The seating chart assigned us to Row Z, the very back row.
   • He completed the list of tasks from A to Z.
   • Vitamin Z is sometimes used as a slang term for sleep.

   🇵🇹Último da sequência