Science

Ratios are used to compare values. In mathematics, a ratio is a relationship between two numbers indicating how many times the first number contains the…

Migraine Definition Migraine is a severe recurring headache, usually affecting only one side of the head that is characterized by sharp, throbbing pain and is…

Division of Decimals by Decimals The procedure for the division of decimals is very similar to the division of whole numbers. Make the divisor into…

Lutetium Definition Lutetium is a silvery-white metallic element of the lanthanide series that is used in nuclear technology. It is the last element in the…

Oleic Acid Definition Oleic acid is an organic acid that is prepared from fats and is used in the preparation of oleates and lotions. It…

Ratios are used to compare values. In mathematics, a ratio is a relationship between two numbers indicating how many times the first number contains the…

Euxenite Definition Euxenite is a rare brownish-black mineral containing erbium, cerium, uranium, columbium, and yttrium. Titanium replaces niobium–tantalum in the molecular structure to form the…

Lipid Bilayer Definition Lipid bilayer is a two-layered arrangement of phosphate and lipid molecules that form a cell membrane, the hydrophobic lipid ends facing inward…

Properties of Ratios When comparing two quantities (of the same kind), sometimes it is necessary to find out the relationship that one quantity bears to…

Dividing Fractions by Whole Numbers There are two things to remember when dividing fractions. The first is that you can solve the problem by using…

Ytterbium Definition Ytterbium is a soft, silvery-white metallic element of the lanthanide series that occurs as seven stable isotopes with symbol Yb. Its atomic number…

Congenital Myasthenic Syndrome Definition Congenital myasthenic syndrome (CMS) is a group of conditions characterized by muscle weakness (myasthenia) that worsens with physical exertion. It is…