Science

About Hydrocarbon Definition Hydrocarbon is a class of organic chemical compounds composed only of the elements carbon (C) and hydrogen (H). Hydrocarbons from which one…

Chloramine Definition Chloramine is one of three bactericidal compounds that form when chlorine and ammonia react in water. Chloramines are used to purify drinking water,…

Cholesterol Definition Cholesterol is a main component of blood plasma and cell membranes, and it is an important precursor of many steroid hormones, vitamin D2,…

Elastic Fiber Definition Elastic fibers are generally 0.2-2 mcm in diameter but may be larger in some ligaments; they branch and anastomose to form networks…

Volume of a Cube A cube is a three-dimensional shape that has equal width, height, and length measurements. A cube has six square faces, all…

Cartilage Definition Cartilage is one of the types of connective tissue in our body. It consists of cells called chondrocytes mixed with collagen and sometimes…

Review about HTC U11 Introduction This year’s (2017) HTC U11 is a much more dramatic departure from past flagships like the HTC 10, switching brushed…

Nitrogen Dioxide Definition Nitrogen Dioxide (NO2) is a red-brown poisonous irritating gas that, at ordinary temperatures, exists in equilibrium with dinitrogen tetroxide. It is an…

Hypochlorous Acid Definition Hypochlorous Acid (HCIO) is a weak, unstable acid occurring only in solution and used as a bleach, oxidizer, deodorant, and disinfectant. It…

Fuel Cell Definition Fuel cell is like a battery in that it generates electricity from an electrochemical reaction. Both batteries and fuel cells convert chemical…

Power Supply Definition Power supply is a source of electricity for a device, which converts, regulates, and transmits the external power for the device. Typically,…

Notochord Definition Notochord is a primitive beginning to the backbone. The word notochord comes from the Greek words notos (back) and chorde (cord). It appears…