Science

Camphor Definition Camphor is a white, gumlike, crystalline compound that has a strong odor. Camphor is volatile and is used as an insect repellent and…

Heart Ventricle Definition Ventricle is a chamber of the heart that receives blood from one or more atria and pumps it by muscular contraction into…

Isocyanide Definition Isocyanide is an organic compound that contains a carbon-nitrogen triple bond, with an alkyl or aryl group connected to the nitrogen as well.…

Inverse relationship of Addition and Subtraction The word ‘inverse’ means reverse in direction or position. It comes from the Latin word ‘inversus,’ which means to…

Celluloid Definition Celluloid is a flammable thermoplastic material consisting of cellulose nitrate mixed with a plasticizer, usually camphor: used in sheets, rods, and tubes for…

About Emotion Definition Emotion is a complex psychological state that involves three distinct components: a subjective experience, a physiological response, and a behavioral or expressive…

Tricuspid Valve Definition Tricuspid valve is a valve of the heart, usually having three cusps, that is located between the right atrium and right ventricle…

About Nitrate Definition Nitrate is a salt or ester of nitric acid, containing the group NO3. Nitrates dissolve extremely easily in water and are an…

Atrial Flutter Definition Atrial flutter is similar to atrial fibrillation, a common heart rhythm disorder. It is usually associated with a fast heart rate (100…

Sodium Benzoate Definition Sodium benzoate is the sodium salt of benzoic acid, which is often used as a preservative and anticorrosive agent in a variety…

Tellurium Definition Tellurium is a metalloid element that occurs as either a brittle, shiny, silvery-white crystal or a gray or brown powder. It is far…

Cardiac Muscle Definition Cardiac muscle is responsible for pumping blood throughout the body. It is a type of muscle tissue that is found only in…