|a positive number that is equal to the sum of all positive integers that are submultiples of it, as 6, which is equal to the sum of 1, 2, and 3|
|the letter used as the symbol for the ratio of the circumference of a circle to its diameter, or the ratio itself: 3.141592+|
|1.||the act or an instance of transforming ideas into words|
|2.||a manifestation of an emotion, feeling, etc, without words: tears are an expression of grief|
|3.||communication of emotion through music, painting, etc|
|4.||a look on the face that indicates mood or emotion: a joyful expression|
|5.||the choice of words, phrases, syntax, intonation, etc, in communicating|
|6.||a particular phrase used conventionally to express something: a dialect expression|
|7.||the act or process of forcing or squeezing out a liquid|
|8.||maths a variable, function, or some combination of constants, variables, or functions|
|9.||genetics the effect of a particular gene on the phenotype|
expression ex·pres·sion (ĭk-sprěsh'ən)
The act of pressing or squeezing out.
The outward manifestation of a mood or disposition by mobility of the facial features; facies.
The phenotype manifested by a genotype under fixed environmental conditions.