carinated
Học thuậtThân thiện
Definition
- Adjective:
- Having a ridge or shaped like a ridge: Describes an object, structure, or form that possesses a prominent, narrow, raised line or edge.
- Suggesting the keel of a ship: Describes something with a shape that resembles the central, longitudinal structural base of a ship or boat, which is a specific type of ridge.
Usage Examples
- Adjective:
- The bird's sternum is distinctly carinated, providing a large surface for flight muscle attachment.
- Botanists noted the carinated shape of the seed pod.
- The fossil exhibited a carinated margin, similar to the keel of a vessel.
Advanced Usage
- In Biology (Botany & Zoology): The term is frequently used in scientific descriptions.
- The carinated leaves are a key identifying feature of this plant species.
- A carinated plastron is common in certain turtle families.
Variants and Related Words
- Carinate (adj): An alternative, often preferred, spelling with the same meaning.
- The sternum is carinate in most flying birds.
- Carina (n): The noun form meaning a ridge-like structure, especially in anatomy and botany.
- The carina of the trachea is where it splits into the two main bronchi.
Synonyms
- Ridged: Having one or more ridges.
- Keeled: Shaped like a keel; this is a more specific synonym often used in biology.
- Cristate: Having a crest or ridge (used in specific biological contexts).
Antonyms
- Flat: Having a level surface without raised features.
- Smooth: Having an even, regular surface without ridges.
- Planar: Relating to a flat, two-dimensional surface.
Related Phrases / Terms
- Carinate sternum: A specific anatomical term for a breastbone with a prominent keel, characteristic of birds capable of powerful flight.
- Ratites, like ostriches, lack a carinate sternum.
- Carinate vessel: An archaeological term for a pot or jar with a pronounced ridge or keel around its body.
- The dig uncovered several carinate vessels from the Bronze Age.
Adjective
- having a ridge or shaped like a ridge or suggesting the keel of a ship
- a carinate sepal