### Core Meaning & Semantic Range
The Greek word **hýalos**, represented by `{{G5194}}`, is the term for **glass**. Its definition suggests transparency, like rain. This word is highly specific in its biblical usage, appearing just **2 times** in **2 unique verses**, both within the same chapter of Revelation.
### Biblical Occurrences & Contextual Analysis
Both occurrences of `{{G5194}}` are found in the vision of the New Jerusalem. The word is used metaphorically to describe the quality of the city's pure gold. In one instance, the city itself is described as "pure gold, like unto clear **glass**" [[Revelation 21:18]]. Similarly, the street of the city is described as "pure gold, as it were transparent **glass**" [[Revelation 21:21]]. In both contexts, **hýalos** serves not as a literal material, but as a standard for absolute purity and clarity.
### Related Words & Concepts
Several related words help clarify the meaning of **hýalos** in its biblical context:
* `{{G1307}}` **diaphanḗs** (transparent): Defined as "appearing through," this word is used directly with **hýalos** to describe the quality of the golden street, emphasizing its see-through nature [[Revelation 21:21]].
* `{{G2513}}` **katharós** (clean, clear, pure): This word is used to describe both the gold and the **glass** in the New Jerusalem [[Revelation 21:18]]. It is also used throughout scripture to signify spiritual and moral purity, such as having a "pure heart" [[Matthew 5:8]] or "pure religion" [[James 1:27]].
### Theological Significance
The theological weight of `{{G5194}}` is tied entirely to its symbolic use in eschatology.
* **Symbol of Divine Perfection:** By comparing the pure gold of the New Jerusalem to **glass**, the text establishes a standard of perfection and quality that is beyond earthly experience. It describes a material that is both precious and perfectly clear.
* **Unblemished Purity:** The association with words like **katharós** (pure) and **diaphanḗs** (transparent) links the physical description of the city to a state of absolute spiritual and moral purity, a place free from any impurity or flaw.
* **The Nature of Heaven:** The use of **hýalos** contributes to the vision of a new creation where even the most foundational elements, like streets, reflect the perfect and holy nature of God.
### Summary
In summary, `{{G5194}}` is a term whose significance is not in its literal meaning of **glass**, but in its powerful use as a simile. It appears exclusively in Revelation to articulate the unimaginable purity and transcendent quality of the New Jerusalem. The word helps illustrate a heavenly reality where value and clarity coexist perfectly, symbolizing the unblemished nature of God's eternal kingdom.
TRV