To convert a Fraction to a Decimal manually, follow these steps: 1  Step 1: Find a number you can multiply by the bottom of the fraction to make it 10, or 100, or 1000, or any 1 followed by 0s. 2  Step 2: Multiply both top and bottom by that number.
noun, plural: molecules A tiny or a very small piece (of something). (biology or biochemistry) An extremely small particle or substance, especially at cellular or structural level, as a biomolecule.
Noun. Chemistry A substance made up of two or more elements joined by chemical bonds into a molecule. The elements are combined in a definite ratio. Water, for example, is a compound having two hydrogen atoms and one oxygen atom in each molecule.