Definition of macronutrient in English:

macronutrient

Line breaks: macro|nu¦tri¦ent
Pronunciation: /ˌmakrəʊˈnjuːtrɪənt
 
/

noun

Biology
  • 1A type of food (e.g. fat, protein, carbohydrate) required in large amounts in the diet.
    More example sentences
    • All athletes require a well balanced diet containing the essential macronutrients of meat, fish, dairy products, fruit and vegetables, cereals and bread.
    • Identifying macronutrients on the dinner food plate is easy.
    • Lipids are believed to be an important macronutrient for baboon diet selection, especially during the winter months, which may explain the use of such unlikely resources as E. ingens.
  • 2A chemical element (e.g. potassium, magnesium, calcium) required in large amounts for plant growth.
    More example sentences
    • Phosphorus is one of three macronutrients needed by growing plants, the other two being nitrogen and potassium.
    • It indicates that there are measurable reductions in use of chemical fertilizers - most farmers use a combination of compost, animal manure or crop rotation to maintain fertility and replace macronutrients.
    • Lodhiyal et al. pointed out that the major macronutrients limiting the production of a forest crop are N, P and K.

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