trace element
/'treis'elimənt/
Học thuậtThân thiện
Definition
- Noun:
- A chemical element present in minute amounts in a particular environment, especially in a living organism, that is essential for its normal growth and development: A "trace element" is an element that occurs in very small quantities (typically less than 0.01% of the organism's mass) but is crucial for various physiological and biochemical processes. Its absence can cause deficiency diseases.
Examples of Usage
- Noun:
- Zinc and copper are important trace elements for human health.
- The soil lacks certain trace elements necessary for optimal plant growth.
- A deficiency in the trace element iodine can lead to thyroid problems.
Advanced Usage
- "Essential trace element": Emphasizes that the element is indispensable for life.
- Selenium is considered an essential trace element for many animals.
- "Trace element analysis": Refers to the scientific technique of measuring the very small concentrations of these elements in a sample.
- Trace element analysis of the hair sample revealed elevated levels of lead.
Variants and Related Words
- Micronutrient (n): A broader term that includes trace elements as well as vitamins required in small amounts for health.
- Iron is both a trace element and a vital micronutrient.
- Oligoelement (n): A synonym used primarily in biological and medical contexts.
Synonyms
- Micronutrient (when referring to its nutritional role)
- Minor element (used in some geological and nutritional contexts)
Related Phrases
- Trace element deficiency: A condition resulting from an insufficient intake or absorption of a necessary trace element.
- Trace element deficiency can impair immune function.
- Trace element supplementation: The act of adding these elements to the diet or environment.
- Trace element supplementation is common in animal feed.
Related Idioms
(This term is highly technical and does not commonly feature in idiomatic expressions.)
Noun
- an element that occurs at very small quantities in the body but is nonetheless important for many biological processes