onion

/'ʌnjən/

Thân thiện

A chef chops an onion on a wooden cutting board.

Definition

1. Noun:
   • An aromatic flavorful vegetable: A round vegetable with a strong smell and taste, consisting of multiple layers, used widely in cooking.
   • A bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb: The plant (Allium cepa) that produces this vegetable.
   • The bulb of an onion plant: The specific edible part of the plant, which grows underground.

Usage Examples

• Noun (Vegetable):
  • I need one large onion for the soup recipe.
  • The recipe starts by sautéing chopped onion in oil.
• Noun (Plant):
  • We are growing onions in the garden this year.
  • Onion plants have long, hollow green leaves.

Advanced Usage

• "to know one's onions" (idiom): to be very knowledgeable or skilled in a particular area.
  • Ask Julia about tax law; she really knows her onions.
• "to be off one's onion" (idiom, slang): to be crazy or insane.
  • He must be off his onion to try something so dangerous.

Variants and Related Words

• Oniony (adj): Having the taste or smell of onions.
  • The sauce had a strong, oniony flavor.
• Spring onion / Green onion (n): A type of onion with a small white bulb and long green leaves, eaten raw or cooked.
  • Garnish the salad with chopped spring onions.

Synonyms

• Bulb (when referring to the vegetable's form).
• Allium (the botanical genus name).

Idioms Related

• "to know one's onions": To be competent and experienced in one's field.
• "to be off one's onion": To be mentally unstable or irrational.

Học thuật

Noun

1. an aromatic flavorful vegetable
2. bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb
3. the bulb of an onion plant

Từ đồng nghĩa

• onion plant
• Allium cepa