mole
/moul/
Học thuậtThân thiện
Definition
- Noun:
- A small burrowing mammal: A mole is a small, velvety-furred mammal with tiny eyes and powerful forefeet adapted for digging and living underground.
- A protective coastal structure: A mole is a massive, usually stone or concrete, structure built from a shore into a body of water to act as a breakwater, pier, or causeway.
- A small skin mark: A mole is a small, often dark, congenital spot on the skin caused by a cluster of pigmented cells.
- A savory sauce: A mole is a rich, dark, and complex Mexican sauce, often containing chili peppers, spices, and sometimes chocolate.
- A spy: A mole is an agent who infiltrates an organization, especially an intelligence agency, to act as a spy for a rival organization over a long period.
- A scientific unit: A mole is the SI base unit for the amount of substance, defined as containing exactly 6.02214076×10²³ (Avogadro's number) of elementary entities (e.g., atoms or molecules).
Usage Examples
- Noun (Mammal):
- The mole dug a complex network of tunnels in the garden.
- Moles are rarely seen above ground.
- Noun (Structure):
- The old stone mole sheltered the fishing boats from the storm.
- They walked to the end of the mole to watch the sunset.
- Noun (Skin mark):
- She has a small mole on her cheek.
- The doctor examined the changing mole.
- Noun (Sauce):
- The chicken was served in a delicious mole poblano.
- Traditional mole can contain over twenty ingredients.
- Noun (Spy):
- The intelligence agency discovered a mole in its ranks.
- He had been a mole for the enemy for over a decade.
- Noun (Unit):
- One mole of carbon atoms has a mass of 12 grams.
- The chemical reaction required two moles of hydrogen.
Advanced Usage
- "To have a mole in (an organization)": To have a spy secretly placed within a group.
- The police suspected they had a mole in the department.
- "As blind as a mole": (Idiom) Having very poor eyesight or being unobservant.
- Without his glasses, he's as blind as a mole.
Variants and Related Words
- Mol (n): An informal abbreviation for the unit "mole" in chemistry.
- Molehill (n): A small mound of earth thrown up by a burrowing mole.
- Moleskin (n): 1. The soft, grey fur of a mole. 2. A heavy, durable cotton fabric.
Synonyms
- Mammal: burrower, fossorial mammal.
- Structure: breakwater, jetty, pier, seawall.
- Skin mark: nevus (medical term), beauty spot.
- Sauce: Mexican sauce.
- Spy: infiltrator, double agent, plant, sleeper agent.
- Unit: gram-molecule, mol (abbrev.).
Related Phrases
- Make a mountain out of a molehill: (Idiom) To exaggerate a minor problem, making it seem much more serious than it is.
- You're just making a mountain out of a molehill; it's a small mistake.
- Mole rat: (Compound noun) A different type of burrowing rodent, not a true mole.
Noun
- small velvety-furred burrowing mammal having small eyes and fossorial forefeet
- a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
- a small congenital pigmented spot on the skin
- spicy sauce often containing chocolate
- a spy who works against enemy espionage
- the molecular weight of a substance expressed in grams; the basic unit of amount of substance adopted under the Systeme International d'Unites