rainforest

RAYN-for-ist /ˈreɪn.fɒr.ɪst/
nounB1IELTSTOEFL
generalacademic

A dense, moisture-rich forest, typically tropical or temperate, characterized by high annual rainfall.

Implies heavy, continuous precipitation and intense biodiversity across multi-layered forest strata.

The story behind the word. First recorded in the late 19th century as a translation of the German term 'Regenwald', coined by botanist Andreas Schimper in 1898 to describe evergreen forests thriving under perennial heavy rain.

Word relationships

  • jungle: Jungle usually refers specifically to tangled, impenetrable tropical vegetation, whereas rainforest is a broader scientific classification for high-rainfall forests.
  • desert: A desert is an extremely dry area with minimal precipitation, whereas a rainforest receives abundant moisture year-round.

Commonly confused with

  • jungle: Rainforest is the formal ecological term for high-precipitation forest ecosystems; jungle denotes thick, impenetrable ground-level brush.

Word family

  • rainforests (noun): Plural form referring to multiple rainforest ecosystems.

Collocations

  • tropical rainforest
  • temperate rainforest
  • rainforest canopy
  • rainforest deforestation

Example sentences

  • "The Amazon rainforest absorbs vast quantities of carbon dioxide, earning its reputation as the planet's green lungs." Environmental Conservation

Memory hook

Think of rain pouring perpetually over a thick green forest. Rain + Forest = heavy rainfall nourishing dense trees.

When not to use

Do not use for dry woodlands or seasonal pine forests that experience winter snow instead of heavy rain.

Fun facts

  • Tropical rainforests cover under 7 percent of Earth's land surface but house over half of all global plant and animal species.
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