megatherm: meaning, definition, pronunciation and examples

Very low
UK/ˈmɛɡəˌθɜːm/US/ˈmɛɡəˌθɜrm/

Technical / Scientific

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Quick answer

What does “megatherm” mean?

A plant adapted to live in consistently hot, tropical climates with minimal temperature variation.

Audio

Pronunciation

Definition

Meaning and Definition

A plant adapted to live in consistently hot, tropical climates with minimal temperature variation.

In ecology and climatology, a region or climate characterized by consistently high temperatures year-round, or an organism adapted to such conditions.

Dialectal Variation

British vs American Usage

Differences

No significant spelling or usage differences. The term is used identically in scientific literature.

Connotations

Neutral and technical in both varieties.

Frequency

Equally rare in both UK and US academic/technical contexts.

Grammar

How to Use “megatherm” in a Sentence

The [plant] is classified as a megatherm.[Region] supports a megatherm biome.

Vocabulary

Collocations

strong
tropical megathermmegatherm plantmegatherm climate
medium
adapted megathermtrue megathermmegatherm species
weak
ancient megathermstudy megathermsmegatherm distribution

Examples

Examples of “megatherm” in a Sentence

adjective

British English

  • The megatherm vegetation was dense and lush.

American English

  • Researchers identified a megatherm ecosystem in the lowlands.

Usage

Meaning in Context

Business

Virtually never used.

Academic

Used in specific disciplines like biogeography, climatology, and botany to classify climate zones or plant adaptations.

Everyday

Extremely rare and would likely require explanation.

Technical

The primary domain. Used precisely to describe organisms or climates in ecological and climatic classification systems (e.g., Köppen climate classification).

Vocabulary

Synonyms of “megatherm”

Strong

thermophyte

Neutral

tropical plantheat-adapted plant

Weak

heat-loving plantwarmth-adapted species

Vocabulary

Antonyms of “megatherm”

microthermcryophytefrost-hardy plant

Watch out

Common Mistakes When Using “megatherm”

  • Confusing it with "megafauna" (large animals).
  • Misspelling as "megatherme" or "megathermal".
  • Using it as a general synonym for 'hot' instead of its precise ecological meaning.

FAQ

Frequently Asked Questions

No, it is a very low-frequency, technical term used almost exclusively in scientific contexts like botany and climatology.

No, the term is specific to plants and climates. Animals adapted to similar conditions might be called 'thermophilic' or are described within the context of a megatherm biome.

The defining characteristic is minimal temperature seasonality; the average temperature of the coolest month is above 18°C (64.4°F).

Only by the Greek prefix 'mega-' (large). 'Megatherium' was a genus of giant ground sloth, while 'megatherm' comes from 'mega-' + 'therm' (heat).

A plant adapted to live in consistently hot, tropical climates with minimal temperature variation.

Megatherm is usually technical / scientific in register.

Megatherm: in British English it is pronounced /ˈmɛɡəˌθɜːm/, and in American English it is pronounced /ˈmɛɡəˌθɜrm/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Imagine a MEGA-sized THERMal plant thriving under a giant, hot sun.

Conceptual Metaphor

HEAT IS A CONSTANT RESOURCE (for a megatherm, heat is a permanent, abundant condition for life).

Practice

Quiz

Fill in the gap
A plant that requires consistently high temperatures with little seasonal variation is known as a .
Multiple Choice

In which field is the term 'megatherm' primarily used?