|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|a representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product|
|equation (ɪˈkweɪʒən, -ʃən)|
|1.||a mathematical statement that two expressions are equal: it is either an identity in which the variables can assume any value, or a conditional equation in which the variables have only certain values (roots)|
|2.||the act of regarding as equal; equating|
|3.||the act of making equal or balanced; equalization|
|4.||a situation, esp one regarded as having a number of conflicting elements: what you want doesn't come into the equation|
|5.||the state of being equal, equivalent, or equally balanced|
|6.||a situation or problem in which a number of factors need to be considered|
|7.||See chemical equation|
|8.||astronomy See personal equation|
|Main Entry:||chemical equation|
|Part of Speech:||n|
|Definition:||a symbolic representation of a chemical reaction, specif. the reactants on the left and the products on the right, separated by an equal sign or directional arrows|
equation e·qua·tion (ĭ-kwā'zhən, -shən)
A statement asserting the equality of two mathematical expressions, usually written as a linear array of symbols that are separated into left and right sides and are joined by an equal sign.
A representation of a chemical reaction, usually written as a linear array in which the symbols and quantities of the reactants are separated from those of the products by an equal sign, an arrow, or a set of opposing arrows.
|equation (ĭ-kwā'zhən) Pronunciation Key
An expression of equality between two formulas in mathematics. The two formulas are written with an equal sign between them: 2 + 2 = 4 is an equation, as is E = mc2.