Onion

Definition

An onion is a noun referring to a bulbous vegetable (Allium cepa) widely used in cooking for its distinct flavor and aroma. It belongs to the Allium family, which includes garlic, leeks, and chives.

Parts of Speech

• Noun

Pronunciation

American English

• IPA Pronunciation: /ˈʌn.jən/
• Respelling: UHN-yuhn

British English

• IPA Pronunciation: /ˈʌn.jən/
• Respelling: UHN-yuhn

Etymology

The word "onion" originates from the Old French "oignon," derived from the Latin "unio," meaning "a single or unity," referencing the onion’s single bulb. The term entered Middle English in the 12th century and has since been used to describe this widely cultivated vegetable.

Derivatives

• Onion-like (adjective)
• Oniony (adjective, informal)
• Onion bulb (noun)
• Spring onion (noun)
• Onion skin (noun)

Synonyms

• Bulb
• Shallot
• Scallion

Antonyms

• None

Usage

The term "onion" is widely used in culinary contexts. For example: "Chop the onion finely before sautéing it." It is also used figuratively, as in "Life is like an onion; you peel it one layer at a time."

Related Terms

• Garlic: A close relative of the onion with a strong aroma and flavor.
• Leek: Another member of the Allium family with a milder taste.
• Chive: A herbaceous plant with a flavor similar to onions.

Detailed Definitions

Noun

• A bulbous vegetable: Refers to the edible bulb of the Allium cepa plant.
  • Example: "The recipe calls for one chopped onion."
• A plant of the Allium family: Describes the entire plant, including its green stalks and roots.
  • Example: "Spring onions are often used in salads."
• Figurative usage: Represents complexity or layers, often in a metaphorical sense.
  • Example: "Unraveling the mystery was like peeling an onion."