hydrus
Học thuậtThân thiện
A small telescope points toward the constellation Hydrus in the clear night sky.
Definition
Proper noun A small, faint constellation in the southern celestial hemisphere, located near the South Celestial Pole. It is depicted as a water snake.
Usage
Hydrus is used exclusively as a proper noun to name this specific constellation. It is not used in general language.
Examples: * The constellation Hydrus is not visible from most northern latitudes. * Hydrus lies between the bright stars Achernar and the south celestial pole. * Astronomers studied the deep-sky objects within Hydrus.
Advanced Usage
- In astronomical contexts, the genitive form "Hydri" is used to name stars within the constellation, following the Latin convention (e.g., "Beta Hydri").
- It may be referenced in mythological contexts relating to its namesake, the lesser water snake, often in contrast to the larger constellation Hydra.
Variants and Related Words
- Hydri: (Noun) The genitive case form of Hydrus, used in star designations (e.g., "Alpha Hydri").
- Hydra: (Proper noun) A different, much larger constellation representing a water serpent or monster, located in the northern and southern skies.
Synonyms
- The Water Snake (its English translation/representation).
- The Lesser Water Snake (to distinguish it from Hydra).
- The Southern Snake.
Notes on Meaning
- Hydrus has only one meaning in modern English: the name of the constellation. It does not have common, non-astronomical definitions, phrasal verbs, or idioms.
- It should not be confused with the similar-sounding word "hydra," which is a mythological creature or a biological genus.
A small telescope points toward the constellation Hydrus in the clear night sky.
Noun
- a constellation in the southern hemisphere near the south celestial pole