American Dictionary
Define dictionary terms easily — search for "example", "dictionary", "language", or "word" in our powerful online English dictionary.
Define dictionary terms easily in our powerful online English dictionary.
Searching for...
No matching words found
Try a different search term or browse the dictionary
a chemical element that a living thing needs in only extremely small amounts in order to grow and develop normally, for example iron or zinc
a chemical element that is found in extremely small amounts in a mineral