micronutrient
Meaning
A chemical element or substance that is essential in minute amounts for the growth and health of a living organism.
Specifically, a vitamin or mineral required in small quantities in the human diet.
Structure
Usage
Iron and vitamin C are both essential micronutrients for the human body.
Soil depletion can lead to crops deficient in vital micronutrients.
The nutrition label lists the amounts of both macronutrients and micronutrients.
Etymology
The term 'micronutrient' is a modern scientific compound, formed in English during the early 20th century as nutritional science advanced. It logically combines the Greek-derived prefix 'micro-', meaning 'small', with the Latin-derived word 'nutrient', meaning 'a nourishing substance'. This construction directly reflects its precise meaning: a nutrient required not in bulk, but in trace or minute amounts, such as vitamins and minerals, in contrast to macronutrients like proteins or carbohydrates. The word's formation follows a clear, descriptive pattern common in technical vocabulary, where classical roots are assembled to create new, specific terms.
Analysis
- micro: From Greek 'mikros', meaning 'small'. In English, a combining form denoting something extremely small in scale or quantity. - nutrient: From Latin 'nutrient-', 'nutriens', present participle of 'nutrire', meaning 'to nourish'. In English, a noun-forming suffix indicating a substance that provides nourishment.