an opening especially in the wall of a building for admission of light and air that is usually closed by casements or sashes containing transparent material (such as glass) and capable of being opened and shut
a hard, brittle substance, typically transparent or translucent, made by fusing sand with soda, lime, and sometimes other ingredients and cooling rapidly. It is used to make windows, drinking containers, and other articles.
a substance used with water for washing and cleaning, made of a compound of natural oils or fats with sodium hydroxide or another strong alkali, and typically having perfume and coloring added.
any of a group of synthetic, organic, liquid or water-soluble cleaning agents that, unlike soap, are not prepared from fats and oils, are not inactivated by hard water, and have wetting-agent and emulsifying-agent properties.
a similar substance that is oil-soluble and capable of holding insoluble foreign matter in suspension, used in lubricating oils, dry-cleaning preparations, etc.
any cleansing agent, including soap.
Compare anionic detergent, cationic detergent, synthetic detergent.
Surfactant or _sur_face-_act_ive agent
any substance that when dissolved in water or an aqueous solution reduces its surface tension or the interfacial tension between it and another liquid.
a transparent, odorless, tasteless liquid, a compound of hydrogen and oxygen, H 2 O, freezing at 32°F or 0°C and boiling at 212°F or 100°C, that in a more or less impure state constitutes rain, oceans, lakes, rivers, etc.: it contains 11.188 percent hydrogen and 88.812 percent oxygen, by weight.
An organization or economic system where goods and services are exchanged for one another or for money.
Every business requires some form of investment and enough customers to whom its output can be sold on a consistent basis in order to make a profit.
Simplest, oldest, and most common form of business ownership in which only one individual acquires all the benefits and risks of running an enterprise. In a sole-proprietorship there is no legal distinction between the assets and liabilities of a business and those of its owner. It is by far the most popular business structure for startups because of its ease of formation, least record keeping, minimal regulatory controls, and avoidance of double taxation.
Type of the US corporate structure in which the firm’s income is passed through its stockholders (shareholders) in proportion of their investment, and taxed at personal income tax rates. S corporations (‘S’ stands for ‘small’) can have only one type of stock and only a limited number of stockholders. Also called subchapter S corporation.
C Corporation (C Corp)
US business organization structure that provides several non-tax benefits (such as limited liability for the owners) and is popular as a staging base for raising large amount of investment capital by going public. Unlike in a S corporation, however, the entity’s income is taxed twice first as corporate income, then as shareholder (dividend) income.
An item or implement used for a specific purpose. A tool can be a physical object such as mechanical tools including saws and hammers or a technical object such as a web authoring tool or software program. Furthermore, a concept can also be considered a tool. “Creativity is the tool which allows a child’s mind to grow.”