Science

Phenakite Definition Phenakite is a colourless or white glassy mineral consisting of beryllium silicate in hexagonal crystalline form: occurs in veins in granite with formula:…

Peroxide Definition Peroxide is a compound containing the group O2. Peroxides are strong oxidizers and are used as industrial bleaches. When any peroxide is combined…

Cricoid Cartilage Definition Cricoid cartilage is the ring-like formation at the base of the larynx. It is the only complete ring of cartilage around the…

Hydrogen Selenide Definition Hydrogen selenide is a key intermediate in the selenium methylation metabolism of inorganic and organic selenium compounds with the formula H2Se. It…

Subtracting Feet and Inches Handles operations for feet whole numbers and inches in mixed numbers for adding, subtracting, dividing or multiplying whole numbers, fractions or…

Phonon Definition Phonon is a quantized sound wave – a collective vibrational mode of a solid (or liquid). It is the quantum of acoustic or…

Thyroid Cartilage Definition Thyroid cartilage is the largest cartilage of the larynx consisting of two laminae fusing anteriorly at an acute angle in the midline…

Thyroid Hormones Definition Thyroid hormones are vital to the growth and development of a fetus. Its chemical substances made by the thyroid gland, which is…

Cristobalite Definition Cristobalite is chemically identical to quartz, with the chemical formula SiO2, but has a different crystal structure. Crystals are always microscopic, and usually…

Hyoid Bone Definition Hyoid bone is the only bone located in the anterior neck. It is A U-shaped bone at the base of the tongue…

Sodium Selenate Definition Sodium selenate is an inorganic form of the trace element selenium with potential antineoplastic activity. It is the sodium salt of selenium…

About High Blood Pressure Definition High Blood Pressure is defined as high pressure (tension) in the arteries, which are the vessels that carry blood from…