estivation

Thân thiện

The botanist sketches the estivation of a flower bud in her notebook.

Definition

1. Noun (Botany):

   • The arrangement or pattern of sepals and petals within a flower bud before it opens and blooms.

2. Noun (Zoology):

   • A state of dormancy or significantly slowed activity during a summer or a period of hot, dry weather. This involves a reduction in metabolic rate, similar to hibernation but occurring in response to heat or drought rather than cold.

Usage Examples

• Noun (Botany):

  • The botanist studied the estivation of the rosebud to classify its floral structure.
  • The spiral estivation of the petals is a key characteristic for identifying this plant family.

• Noun (Zoology):

  • Some snails and lungfish enter estivation to survive prolonged dry seasons.
  • During estivation, the animal's breathing and heart rate drop dramatically to conserve energy and water.

Advanced Usage

• "To go into estivation": To enter this dormant state.

  • When the pond dries up, the African lungfish will go into estivation.

• "A period of estivation": Referring to the duration of this dormant state.

  • The desert tortoise survives the harsh summer in a period of estivation.

Variants and Related Words

• Estivate (verb): To spend a summer in a state of dormancy or torpor.

  • Certain amphibians estivate in burrows to avoid extreme heat.

• Aestivation: This is an alternative spelling, more common in British English, for both the botanical and zoological meanings.

Synonyms

• Dormancy (Zoology): A general term for a state of suspended activity.
• Summer sleep (Zoology): An informal term for estivation.
• Prefloration (Botany): A technical synonym for the botanical meaning of estivation.

Related Idioms/Phrases

• "To estivate through the drought": Figuratively, to become inactive or wait out a difficult, unproductive period.
  • The company chose to estivate through the drought in the market, minimizing expenses until conditions improved.

Học thuật

Noun

1. (botany) the arrangement of sepals and petals in a flower bud before it opens
2. (zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period

Từ đồng nghĩa

• aestivation