Science

Zinc Sulfide Definition Zinc sulfide is transparent and white in color. It is usually produced from waste materials, and it is also a by-product of…

Spinal Nerve Definition Spinal nerve is any of the nerves that arise in pairs from the spinal cord and form an important part of the…

Halogen Definition Halogens (or halogen elements) are any of a group of five nonmetallic elements with similar properties. The halogens are fluorine, chlorine, bromine, iodine,…

Fluorine Definition Fluorine is a pale-yellow, poisonous, gaseous element of the halogen group. It is highly corrosive and is used to separate certain isotopes of…

About Zinc Definition Zinc is a shiny, bluish-white metallic element that is brittle at room temperature but is malleable when heated. It is a mineral…

About Brachial Plexus Definition Brachial plexus is formed by the union of portions of the fifth through eighth cervical spinal nerves and the first thoracic…

Finding the Area of a Circle The area of a circle can be found by multiplying pi (π = 3.14) by the square of the…

Subclavius Muscle Definition Subclavius muscle is a relatively minor muscle located deep within the chest. Subcalvius is a thoracoappendicular muscle; origin, first costal cartilage; insertion,…

Pyroxene Definition Pyroxene is any of a series of dark silicate minerals having the general chemical formula ABSi 2 O 6, where A is either…

Hyaline Cartilage Definition Hyaline cartilage is a type of connective tissue composed of specialized cells in a translucent, pearly blue matrix. Hyaline cartilage thinly covers…

Olivine Definition Olivine is a common mineral in the igneous rocks, such as basalt and gabbro that make up most of the Earth’s crust beneath…

Zooplankton Definition Zooplankton is plankton that consists of tiny animals, such as rotifers, copepods, and krill, and of microorganisms once classified as animals, such as…