Thermaldescribing or involving heat or warmth is a word used in science and everyday English to describe something connected with heat. It can also refer to warm clothing, warm air currentsstreams of moving air or water, or things related to hot springsnatural places where hot water rises from underground.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-01. AI assessment; not a guarantee of accuracy.
Pronunciation
AI-generated pronunciation audio (OpenAI).
Accent: General American English
IPA: /ˈθɝːməl/
Easy pronunciation: THER-mal (approximate spelling).
Stress: Stress the first syllable: THER-mal.
Adjective meaning related to heat.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-01. AI assessment; not a guarantee of accuracy.
Thermal Meaning
connected with heat
Part of speech: adjective
Definition: relating to or associated with heat
Example: Scientists studied the thermal properties of the new material.
Synonyms for this meaning:
- caloric — A direct synonym in scientific contexts.
- thermic — A close synonym meaning related to heat.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-01. AI assessment; not a guarantee of accuracy.
Other Meanings of Thermal
Meaning 2
made to keep in heat
Part of speech: adjective
Definition: caused by or designed to retain heat
Example: She wore thermal underwear in the snow.
Meaning 3
a column of warm rising air
Part of speech: noun
Definition: rising current of warm air
Example: The glider climbed on a thermal.
Meaning 4
connected with a hot spring
Part of speech: adjective
Definition: of or relating to a hot spring
Example: They visited a thermal water resort.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-01. AI assessment; not a guarantee of accuracy.
Thermal Synonyms
Similar Meaning
- caloric
- thermic
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-01. AI assessment; not a guarantee of accuracy.
Common Mistakes
- Don't confuse thermal with terms that only mean 'warm' in general; it usually means specifically related to heat.
- In geology, thermal can refer to hot springs or thermal water, which is a different sense from heat-related uses in science or clothing.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-01. AI assessment; not a guarantee of accuracy.
Frequently Asked Questions
What does thermal mean?
Thermal usually means connected with heat. It can also describe clothing or materials made to keep heat in, a rising current of warm air, or something related to a hot spring.
What are the synonyms of thermal?
For the main sense, thermal can be synonymous with caloric and thermic, especially in scientific usage.
Is thermal always an adjective?
No. It is usually an adjective, but it can also be a noun meaning a rising current of warm air.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-11-01. AI assessment; not a guarantee of accuracy.
