:10
:09
:08
:07
:06
:05
:04
:03
:02
:01
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
mineral min·er·al (mĭn'ər-əl)
n.
A naturally occurring, homogeneous inorganic solid substance having a definite chemical composition and characteristic crystalline structure, color, and hardness.
An inorganic element, such as calcium, iron, potassium, sodium, or zinc, that is essential to the nutrition of humans, animals, and plants.
mineral (mĭn'ər-əl) Pronunciation Key
|
In geology, a naturally occurring inorganic substance (see inorganic molecules) with a definite chemical composition and a regular internal structure.
Note: Most minerals are crystals, like salt and diamonds.
Note: Rocks are aggregates of minerals.
In the diet, certain substances necessary for the maintenance of life and good health. Some are essential components of bodily substances, such as the calcium in bones and the iron in hemoglobin, whereas others help regulate the activities of metabolism. (See under “Earth Sciences.”)