# SDK

Source: https://englishreference.com/word/sdk
Updated: 2026-08-27

## Senses

### 1. software development kit

noun · CEFR C1 · Technical

Stands for Software Development Kit. A collection of tools, code libraries, and instructions that helps developers create software for a specific platform.

For teachers: Abbreviation for Software Development Kit. A comprehensive set of development tools, including APIs, documentation, and libraries, designed for creating applications on a specific operating system or hardware platform.

- The company released a new SDK to help developers build apps for their latest smartphone.
- Integrating the third-party payment gateway was straightforward because the provider supplied a robust SDK with clear documentation and pre-built libraries.

Usage: Usually treated as a countable noun; developers often speak of 'downloading the SDK' or 'integrating an SDK'.

Teaching tip: While technically an initialism, it is almost always used as a noun in professional tech contexts to refer to the package of tools itself.

## Examples

- The company released a new SDK for its mobile operating system.
- Before we can start building the new game, we need to download the latest SDK from the console manufacturer's website.
- By providing a comprehensive SDK, the platform owner encourages third-party developers to create high-quality applications that integrate seamlessly with the existing ecosystem.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.