alphabet
gb/ˈælfəbˌɛt/ us/ˈælfəbˌɛt/
A1
English
~ 9200
Senses
0 senses
Noun
A1
entity
1
set of letters for a language
All the letters used to write a language, in a fixed order.
Usage pattern:
the [language] alphabet
Common mistake:
Learners sometimes say *"How many alphabets are in your name?"* when they mean *"How many letters are in your name?"*. Use **alphabet** for the full system of letters for a language, and **letter(s)** for individual characters. Also, do not say *"I know many alphabets"* when you mean *"I know many letters"* or *"I know several writing systems"*.
Synonyms
letters (Refers to the individual characters themselves rather than the whole ordered system, but often used loosely for the alphabet.)
|
script (More often refers to a writing system as a whole, including style and symbols, not just the ordered list of letters.)
Antonyms
numerals (Numerals are symbols for numbers, contrasting with letters used to write words in an alphabet.)
Collocations
the English alphabet
|learn the alphabet
|alphabet song
|alphabet book
|Greek alphabet
|alphabet chart
Themes
language
|education
|writing
|communication
|core_vocabulary
Examples
- The English alphabet has twenty-six letters.
- Children usually learn the alphabet in their first years of school.
- Russian is written using the Cyrillic alphabet.
- She sang a song to help her nephew remember the alphabet.
- This chart shows the Arabic alphabet with its basic letter forms.
Learner examples
- I can say the alphabet from A to Z.
- My son is learning the alphabet at school.
- How many letters are in the Korean alphabet?
- Please write your name using the English alphabet.
- The teacher points to each letter in the alphabet.
Noun
formal
B2
entity
2
basic elements of a subject
The very simple, first things you must know about a subject.
Usage pattern:
the alphabet of [a subject]
Common mistake:
Learners may think this is a literal reference to letters. In expressions like *"the alphabet of music"* or *"the alphabet of love"*, the word **alphabet** is figurative and means *the basic parts* or *the first things you must learn*, not actual letters.
Synonyms
basics (Informal and very common; focuses on simple starting knowledge rather than a structured set of elements.)
|
fundamentals (Slightly more formal; emphasizes essential core principles needed to understand something.)
Antonyms
complexities (Refers to the more difficult and detailed parts of a subject, the opposite of its simplest elements.)
Collocations
the alphabet of human rights
|the alphabet of music
|the alphabet of freedom
|the alphabet of design
Themes
education
|abstract
|thinking
|core_vocabulary
Examples
- Before you write poetry, you must learn the alphabet of the language itself.
- He quickly picked up the alphabet of computer programming, but mastering it took years.
- The book explains the alphabet of chess so that complete beginners can start playing.
- Understanding trust and respect is part of the alphabet of any healthy relationship.
- Her course teaches the alphabet of project management before moving to advanced topics.
Learner examples
- The teacher wants us to learn the alphabet of music theory first.
- Good listening is part of the alphabet of good communication.
- This book shows the alphabet of business for new managers.
- You need to know the alphabet of coding before you make an app.
- The class starts with the alphabet of drawing simple shapes.
Noun
technical
C1
entity
3
set of symbols in coding theory
In math and computing, a group of symbols that a code or formal language can use.
Usage pattern:
a [type] alphabet of {[symbols]}
Common mistake:
Learners may confuse this technical sense with the everyday idea of national alphabets like the English or Greek alphabet. In technical texts, **alphabet** can include digits and special symbols, and it does not have to match any real-world writing system.
Synonyms
symbol set (More general technical term; does not always imply ordering, but often used in the same theoretical contexts.)
|
character set (Common in computing; focuses on the list of characters supported by a system, not always on formal languages.)
Antonyms
continuous signal (In information theory, contrasts a discrete set of symbols (an alphabet) with information carried by continuously varying quantities.)
Collocations
binary alphabet
|finite alphabet
|symbol alphabet
|input alphabet
|output alphabet
Themes
technology
|science
|mathematics
Examples
- In this model, the binary alphabet consists of the symbols {0, 1}.
- The machine reads strings over the input alphabet Σ.
- For this coding scheme, we define an alphabet of eight distinct symbols.
- Any message you send is a sequence of characters from a fixed alphabet.
- The algorithm assumes that the alphabet is finite and known in advance.
Learner examples
- In this class, the alphabet is just the symbols 0 and 1.
- A formal language uses an alphabet and rules.
- The program only accepts letters from the ASCII alphabet.
- We write our code using an alphabet of special symbols.
- The teacher drew the alphabet of the system on the board.
Grammar
Dictionary form
alphabet
IPA
GB/ˈælfəbˌɛt/
US/ˈælfəbˌɛt/
Syllables & stress
al - pha - bet (3 syllables)
Stress on 1st syllable (al)
Word forms
Noun
- Base: alphabet
- Plural: alphabets
Word family
Forms
alphabets
noun
Core family
alphabetical
adjective B1
alphabetically
adverb
Related words
alphabetic
adjective
alphabetize
verb
Negative and opposite forms
unalphabetical
adjective
Advanced or less common
alphabetization
noun
alphanumeric
adjective
Expressions
phonetic alphabet
1/fənˈɛtɪk ˈælfəbˌɛt/
fixed phrase
technical
code words for each letter
A set of special words used to say letters clearly, so people do not confuse the sounds, especially on the phone or radio.
Examples
- Pilots use the NATO phonetic alphabet to spell out flight numbers over the radio.
- Can you spell your name using the phonetic alphabet so I don’t write it wrong?
- Customer service staff often learn a phonetic alphabet to avoid confusion on calls.
phonetic alphabet
1/fənˈɛtɪk ˈælfəbˌɛt/
fixed phrase
code words for letters
words like Alpha and Bravo used to spell letters clearly
Examples
- The call center agent used the phonetic alphabet to confirm my booking code.
- My postcode starts with B and D—Bravo, Delta in the phonetic alphabet.
- Pilots and emergency services often use a phonetic alphabet to avoid confusion.
alphabet soup
1/ˈælfəbˌɛt sˈup/
idiom
informal
confusing mix of abbreviations
A situation where there are so many letters, abbreviations, or codes that it becomes hard to understand.
Examples
- The report is full of technical alphabet soup that ordinary readers won’t understand.
- New employees often feel lost in the alphabet soup of company acronyms.
- For parents, the education system can seem like alphabet soup, with all its tests and programs.
alphabet soup
2/ˈælfəbˌɛt sˈup/
idiom
confusing mix of abbreviations
A mix of many letters or short forms (like acronyms) that is hard to understand.
Examples
- The document was full of alphabet soup that only experts could read.
- Government agencies create an alphabet soup of acronyms.
- For new employees, the company’s internal codes are just alphabet soup.