emu
/'i:mju:/ Cách viết khác : (emeu) /'i:mju:/
Definition
- Noun:
- A large, flightless bird native to Australia: An emu is a tall, long-legged bird that cannot fly. It is the second-largest living bird by height, after the ostrich. Emus have soft, brown feathers and can run very fast.
- A unit of measurement in electromagnetism: In physics, an emu is a unit within the electromagnetic system of units (CGS-emu), used for measuring quantities like magnetic moment or magnetic field strength.
Examples of Usage
- Noun (Bird):
- The emu is a common sight in the Australian outback.
- We saw a group of emus running across the plain.
- Noun (Physics Unit):
- The magnetic susceptibility was measured in emu per gram.
- This value is expressed in electromagnetic units (emu).
Advanced Usage
- "emu" as a symbol: The emu appears on the Australian coat of arms alongside the kangaroo, representing the nation's native wildlife.
- The emu and kangaroo are iconic Australian animals.
Variants and Related Words
- Emus (n): The standard plural form of the noun.
- A flock of emus.
- Emu-wren (n): A type of small Australian bird named for its tail feathers, which resemble those of an emu. (This is a separate compound word).
- CGS-emu system (n): The centimeter-gram-second electromagnetic system of units.
Synonyms
- Dromaius novaehollandiae: The scientific name for the common emu species.
- Ratite: A general term for large, flightless birds like the emu, ostrich, rhea, cassowary, and kiwi.
Related Phrases
- Emu war: A humorous or historical reference to a 1932 Australian military operation to manage emu populations.
- The Great Emu War is a famous anecdote from Australian history.
Related Idioms
Noun
-
large Australian flightless bird similar to the ostrich but smaller
-
any of various systems of units for measuring electricity and magnetism
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