> For the complete documentation index, see [llms.txt](https://docs.snomed.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-editorial-guide/readme/authoring/domain-specific-modeling/pharmaceutical-and-biologic-product/index/index/index/state-of-matter.md).

# State of Matter

## Overview

736471007 |State of matter (state of matter)| represents a physical state of matter.

|State of matter (state of matter)| is a descendant of 362981000 |Qualifier value (qualifier value) that supports fully defining concepts in the 736542009 |Pharmaceutical dose form (dose form)| hierarchy. |State of matter (state of matter)| is used to model concepts in the 736478001 |Basic dose form (basic dose form)| hierarchy; they are not used to model the 736542009 |Pharmaceutical dose form (dose form)| or 763158003 |Medicinal product (product)| hierarchies.

## Modeling

| **Parent concept**    | 736471007 \|State of matter (state of matter)\| |
| --------------------- | ----------------------------------------------- |
| **Semantic tag**      | (state of matter)                               |
| **Definition status** | Primitive                                       |
| **Attributes**        | None                                            |

## Naming

### FSN

Use the following pattern for the FSN where X is the state of matter:

X (state of matter)

For example,

* Gas (state of matter)
* Liquid (state of matter)
* Semi-solid (state of matter)
* Solid (state of matter)

### Preferred Term

Use the following pattern for the PT where X is the state of matter:

X

For example,

* Gas
* Liquid
* Semi-solid
* Solid

### Synonym

Synonyms are not allowed unless explicitly identified as an exception in the Editorial Guidelines.

### Text Definitions

Preferred; not required.

## Exemplar

<figure><img src="https://4060284305-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FuoSxuN6wQMDYcvuq2wNX%2Fuploads%2FcOOywndXyWZs8kd016xK%2Fimage.png?alt=media&amp;token=749d385a-dd3d-4ccb-ad86-7dbfb80dc999" alt=""><figcaption><p><strong>Stated</strong> and <strong>inferred</strong> view for 736679003 |Liquid (state of matter)|</p></figcaption></figure>

<figure><img src="https://github.com/SNOMED-Documents/snomed-editorial-guide/blob/main/authoring/pharmaceutical-and-biologic-product/images/174691147.png" alt=""><figcaption></figcaption></figure>

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