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Technical Vocabularynoun · /ˈɒbdʒekt ˈstɔːrɪdʒ/

object storage

In simple English

Object storage is a modern data storage method that differs fundamentally from traditional file or block storage systems. Instead of organizing data in hierarchical folder structures or fixed blocks, object storage treats each piece of data as a complete, self-contained unit called an object. Each object contains the data itself, metadata that describes the data, and a unique identifier that allows the system to locate and retrieve it. In tech workplaces, object storage is essential for cloud infrastructure, especially when dealing with large-scale, unstructured data. Companies use services like Amazon S3, Google Cloud Storage, and Azure Blob Storage to store everything from user-generated content to machine learning datasets. Developers discuss object storage when architecting systems that need high availability, durability, and easy scalability without worrying about the underlying infrastructure. The primary advantage is its simplicity and flexibility: you can store any type of data, scale horizontally to petabytes, and access objects from anywhere via APIs. This makes object storage the default choice for modern cloud-native applications, data lakes, and content distribution networks.

Understand what object storage is, how it differs from file and block storage, and when to use it in cloud applications.

At a glanceCEFR C1
Commonness4/5
Versatility4/5
FormalityCasualFormalFormal
Spoken ↔ WrittenSpokenWrittenBoth
Directness ↔ DiplomaticDirectDiplomaticDirect
RegionUS and UK
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Say it like this

✓We store all our media files in object storage
✓Object storage is perfect for this use case
✓We are transitioning to object storage for better scalability

Real examples

in a standup

"We moved the image processing pipeline to object storage to handle the increased volume without scaling our servers."

in a code review

"Since we are using object storage now, we need to update the SDK to use the correct API endpoints for uploading files."

in a team meeting

"Object storage costs less than our current solution, and it will give us the flexibility to grow our data by 10x."

Don't say this

Handle with care. Do not confuse with file storage or block storage. Object storage is specifically for storing unstructured data as discrete objects with metadata and unique identifiers.

✕We use object storage to store our database files.
✓We use object storage to store unstructured data like media and backups.— Object storage is not ideal for databases, which need block storage or relational storage systems.
✕Object storage organizes data in folder hierarchies like a file system.
✓Object storage uses flat namespaces with unique identifiers; folders are simulated with naming conventions.— Object storage does not have true directory structures; all objects exist in a flat namespace.
✕We object storage the files yesterday.
✓We stored the files in object storage yesterday.— Object storage is a noun describing a system, not a verb action; use store or upload with object storage.

Other forms

noun

object storage

"Object storage is the best choice for this architecture."

noun

object store

"The object store returns the file in milliseconds."

noun

object-based storage

"We switched to object-based storage for better cost efficiency."

Often used with

object storage serviceUsed when referring to cloud providers like S3, Google Cloud Storage, or Azure Blob Storage
object storage bucketThe container or namespace in object storage where objects are stored
scale object storageRefers to the ability to grow object storage capacity horizontally without limits
object storage APIThe programmatic interface used to interact with object storage systems
migrate to object storageMoving data from existing systems to an object storage solution

Similar words

cloud object storageEmphasizes that object storage is typically delivered as a cloud service
distributed object storageHighlights the distributed nature and scalability of object storage systems
blob storageA Microsoft term for object storage; refers to unstructured binary data storage

Opposites

file storageblock storagerelational storage

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Practice

Try it

4 quick exercises

Pick the most natural phrasing

1. You need to tell your manager what technology you are using for user uploads. Which sounds most professional?

Complete the sentence

2. After switching to _______, we reduced infrastructure costs by 40% while improving availability.

Spot the mistake

3. Which sentence uses object storage incorrectly?

Rewrite naturally

4. Rewrite in natural tech English: 'We keep all customer photos in a system that stores them as separate units with identification numbers so we can find them quickly.'

Questions

Quick poll

Have you said "object storage" in a standup this week?

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