# citrus

/ˈsɪtɹəs/ (US) · /sˈɪtɹəs/ (UK)

Source: https://englishreference.com/word/citrus
Updated: 2026-08-15

## Senses

### 1. the fruit

noun · CEFR B2

a type of fruit with a thick skin and juicy sections, such as an orange, lemon, or grapefruit.

For teachers: the fruit of any plant in the genus Citrus, typically featuring a leathery rind and acidic, pulpy segments.

- The doctor told him to eat more citrus to get enough vitamin C.
- The region's economy relies heavily on the export of citrus, particularly the high-quality oranges grown in the southern valleys.

Usage: Often used as an uncountable noun when referring to the category of fruit.

### 2. the tree

noun · CEFR C1 · Technical

a tree or shrub that grows fruits like lemons and oranges.

For teachers: any evergreen tree or shrub belonging to the genus Citrus.

- The garden was filled with the sweet smell of flowering citrus.
- Agricultural scientists are developing new hybrids of citrus that can withstand colder temperatures and resist common fungal infections.

Usage: Usually countable when referring to specific botanical species.

### 3. relating to citrus

adjective · CEFR B2

having the flavour, smell, or qualities of fruits like lemons and oranges.

For teachers: of, relating to, or characteristic of citrus plants or their fruit.

- This perfume has a fresh citrus scent that is perfect for summer.
- The chef added a citrus dressing to the salad to balance the richness of the grilled salmon.

Usage: Usually sits before the noun it describes.

## Examples

- I love the fresh smell of citrus in the morning.
- The chef adds a squeeze of citrus to the grilled fish to balance the salty flavours.
- While many tropical fruits are prized for their sweetness, citrus is uniquely valued in culinary applications for its high acidity and the aromatic oils found within its zest.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.