onionnoun [ C or U ]
uk/ˈʌn.jən/us/ˈʌn.jən/A2 a vegetable with a strong smell and flavour, made up of several layers surrounding each other tightly in a round shape, usually brown or red on the outside and white inside:
I always cry when I'm chopping onions.
Fry the onion and garlic for about two minutes.
More examples
- Lightly brown the onion before adding the tomatoes.
- Fry the onions till they start to colour.
- You should have seen the onions he grew for the competition - they were monsters!
- The onions had been pickled in brine.
- Roughly chop the tomatoes and add to the onions.
Thesaurus: synonyms and related words
Types of vegetable
- alfalfa
- allium
- artichoke
- arugula
- asparagus
- chicory
- corn on the cob
- cos lettuce
- courgette
- cress
- lettuce
- mooli
- new potatoes
- okra
- pak choi
- shitake mushroom
- spinach
- spring greens
- spring onion
- spud
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