aestivation
/,i:sti'veiʃn/
Definition
- Noun:
- (Botany): The arrangement of sepals and petals within a flower bud before it opens.
- (Zoology): A state of dormancy or significantly reduced metabolic activity during a hot or dry period in the summer; a form of summer hibernation.
Usage Examples
- Noun (Botany):
- The botanist studied the aestivation of the rosebud to classify the plant family.
- Valvate aestivation describes a specific pattern where the petals just touch at the margins without overlapping.
- Noun (Zoology):
- Some land snails enter aestivation to survive prolonged drought, sealing their shells with a mucous layer.
- During aestivation, the lungfish burrows into the mud and reduces its metabolic rate to conserve energy.
Advanced Usage
- "To be in aestivation": To be in the state of summer dormancy.
- The desert tortoise is in aestivation for several months until the rains return.
- "Induce aestivation": To cause an organism to enter this dormant state.
- Extreme heat and lack of water can induce aestivation in certain amphibians.
Variants and Related Words
- Aestivate (verb): To spend a hot or dry period in a state of dormancy.
- These snails aestivate when their pond dries up.
- Estivation: An alternative spelling, primarily used in American English.
- Dormancy (noun): A general term for a period of suspended biological activity.
Synonyms
- Summer dormancy: The general state of inactivity during summer.
- Quiescence: A state of inactivity or dormancy.
Antonyms
- Hibernation: A state of winter dormancy.
- Activity: The state of being active or functioning.
Related Terms and Contexts
- Hibernation: While aestivation is a response to heat/dryness, hibernation is a response to cold.
- Torpor: A broader term for a state of decreased physiological activity.
- Bud (Botany): The structure containing the undeveloped flower where aestivation patterns are observed.
Noun
-
(botany) the arrangement of sepals and petals in a flower bud before it opens
-
(zoology) cessation or slowing of activity during the summer; especially slowing of metabolism in some animals during a hot or dry period
Khám phá thêm
Các từ liên quan
Từ đồng nghĩa
Từ gần giống
