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Difficulty: MediumGreek Roots

Analyze the common morphological base across the given technical terms. Which Greek root correctly completes the statement below?

Answer:Scientific terms such as *thermodynamics*, *endothermic*, and *geothermal* all derive from the Greek root 【therm】, which denotes heat or temperature.

Answer

The correct Greek root is therm (or thermo), meaning heat or temperature.
The Greek root *therm* (or *thermo-*) derives from ancient Greek *therme*, signifying heat. In English academic and technical vocabulary, it combines to form words related to heat energy and temperature, including *thermodynamics* (the study of heat dynamics), *endothermic* (absorbing heat), and *geothermal* (heat from the Earth).

Step-by-Step Solution

1
Examine the shared morphological component across the provided words (*thermodynamics*, *endothermic*, *geothermal*).
All three words share the common morpheme *therm-*.
Isolating identical letter segments reveals the underlying base root.
2
Verify the etymology and semantic meaning of the identified root against the clue 'heat or temperature'.
The Greek root *therm* (from *therme*, meaning heat) directly corresponds to the definition.
Confirming the classical root meaning ensures grammatical and semantic accuracy.

Key Concept

Greek root 'therm' meaning heat or temperature
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Greek Roots

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