What is the opposite of “diathermal”?

What is the antonym of “diathermal”?

The antonyms of diathermal are impermeable and opaque. The antonyms impermeable and opaque convey a lack of ability to transmit heat or light.

Brief Definitions of the Antonym(s)

Learn when and how to use these words with these examples!

impermeable

Not allowing fluids or gases to pass through; not permeable.

Example

The raincoat was made of impermeable material, so she stayed dry during the storm.

opaque

Not able to be seen through; not transparent.

Example

The window was covered with an opaque film that blocked the sunlight from entering the room.

How are these antonyms different from each other?

• 1. Impermeable refers to the inability of a material to allow fluids or gases to pass through it.
• 2. Opaque refers to the inability of a material to allow light to pass through it.

Good things to know

• 1. Science: Use these antonyms in scientific contexts to describe materials' properties.
• 2. Engineering: Incorporate these antonyms when discussing the design and functionality of products.
• 3. Architecture: Utilize these antonyms when describing building materials and their effects on natural light and temperature.

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Remember this!

The antonyms impermeable and opaque describe materials that do not allow the transmission of fluids or gases and light, respectively. These words can be used in scientific, engineering, and architectural contexts to describe materials' properties and their effects on natural light and temperature.