Is 'data' singular or plural in 'data structure'?

In modern computing terminology, 'data' in 'data structure' is almost universally treated as a singular mass noun. The focus is on the compound concept as a whole unit.

What's the difference between a data structure and an algorithm?

A data structure is about how data is organised in memory. An algorithm is a step-by-step procedure for performing a computation or solving a problem. They are deeply interrelated: algorithms operate on data structures.

Can you give an example of a simple vs. complex data structure?

A simple data structure is an array, which stores elements in a contiguous block. A complex data structure is a B-tree or a graph, which has more intricate rules for relationships and access patterns between elements.

Is 'database' a synonym for 'data structure'?

No. A database is a high-level system for storing and retrieving large datasets, often using a Database Management System (DBMS). A data structure is a lower-level programming construct (like a stack, queue, or tree) used within programs, which a database system may itself use internally.

data structure

UK/ˈdeɪtə ˌstrʌk.tʃə(r)/US/ˈdeɪt̬ə ˌstrʌk.tʃɚ/

Technical (Computer Science)

My Flashcards

Definition

Meaning

A specialised format for organising, storing, processing, and retrieving data, particularly in computer science.

A conceptual model that defines how data items relate to each other (e.g., sequences, hierarchies, networks) and the operations that can be performed on them.

Linguistics

Semantic Notes

Refers to the logical or implementational organisation of data, not the data itself. The term is a compound noun where 'data' functions attributively. A core concept in programming and algorithm design.

Dialectal Variation

British vs American Usage

Differences

Minimal. The word 'data' can be treated as singular or plural in both varieties, but in technical computing contexts, it is overwhelmingly treated as a singular mass noun (e.g., 'The data structure is efficient').

Connotations

Identical. Purely technical term with no regional connotative differences.

Frequency

Identical high frequency in computing contexts in both regions.

Vocabulary

Collocations

strong

efficient data structureimplement a data structurechoose a data structurehierarchical data structureabstract data structurecomplex data structure

medium

design a data structureappropriate data structurefundamental data structureunderlying data structurepersistent data structure

weak

new data structuresimple data structureuseful data structurecommon data structurepowerful data structure

Grammar

Valency Patterns

[verb] + data structure (e.g., design, implement, use)data structure + [for + noun/gerund] (e.g., a data structure for graph traversal)data structure + [that + clause] (e.g., a data structure that allows quick lookup)

Vocabulary

Synonyms

Strong

abstract data type (ADT) - in specific theoretical contexts

Neutral

data organizationdata format

Weak

schemalayout - in very broad, non-technical analogies

Vocabulary

Antonyms

unstructured dataflat file

Phrases

Idioms & Phrases

“Choosing the right data structure is half the battle.”

Usage

Context Usage

Business

Rare. Might appear in discussions of database design or software architecture.

Academic

Core term in computer science, software engineering, and information science curricula and research.

Everyday

Virtually never used.

Technical

Extremely high-frequency, foundational term in programming, algorithm analysis, and system design.

Examples

By Part of Speech

verb

British English

The developer needs to data-structure the information more efficiently. (Rare, non-standard but possible)

American English

We should data-structure this payload before sending it. (Rare, non-standard but possible)

adverb

British English

The information is stored data-structurally. (Extremely rare, theoretical)

American English

It was implemented data-structurally unsoundly. (Extremely rare, theoretical)

adjective

British English

The data-structure choice is critical. (Hyphenated attributive use)

American English

He is taking a data-structures course this semester. (Hyphenated attributive use)

Examples

By CEFR Level

Arrays and lists are types of data structure.

Choosing an efficient data structure can dramatically improve your program's speed.
The hash table is a very useful data structure for fast lookups.

The persistent data structure allowed for versioning without copying the entire state.
His thesis proposed a novel probabilistic data structure for streaming data analysis.

Learning

Memory Aids

Mnemonic

Think of a 'data structure' as the **skeleton (structure)** that gives **information (data)** a useful shape, just as a skeleton structures a body.

Conceptual Metaphor

DATA IS A PHYSICAL OBJECT; A DATA STRUCTURE IS A CONTAINER/ORGANISER (e.g., 'store data in a list', 'pile data in a stack', 'queue data').

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

Avoid direct translation as 'структура данных', which is correct but may be misinterpreted as 'structure of the data' rather than the technical computing term. The term is a calque and is correct in Russian computing jargon.
Do not confuse with 'database' ('база данных'). A data structure is a lower-level programming concept.

Common Mistakes

Treating 'data' as strictly plural in this technical compound (e.g., 'These data structure are...' is very uncommon).
Confusing 'data structure' with 'database' or 'data model'.
Using the term in non-computing contexts where 'format' or 'layout' would be more appropriate.

Practice

Quiz

Fill in the gap

A linked list is a fundamental that connects elements using pointers.

Multiple Choice

Which of the following is a primary function of a data structure?

FAQ

Frequently Asked Questions

: In modern computing terminology, 'data' in 'data structure' is almost universally treated as a singular mass noun. The focus is on the compound concept as a whole unit.
: A data structure is about how data is organised in memory. An algorithm is a step-by-step procedure for performing a computation or solving a problem. They are deeply interrelated: algorithms operate on data structures.
: A simple data structure is an array, which stores elements in a contiguous block. A complex data structure is a B-tree or a graph, which has more intricate rules for relationships and access patterns between elements.
: No. A database is a high-level system for storing and retrieving large datasets, often using a Database Management System (DBMS). A data structure is a lower-level programming construct (like a stack, queue, or tree) used within programs, which a database system may itself use internally.