Alcohol is a poison. It may not seem like it but alcohol is a poison and can sometimes have lethal consequences. Your body can only process one unit of alcohol an hour. Drink a lot in a short space of time and the amount of alcohol in the blood can stop the body from working properly.
Definition of expression for English Language Learners. : 1  the act of making your thoughts, feelings, etc., known by speech, writing, or some other method : the act of expressing something. : 2  a word or phrase. : 3  the way someone's face looks that shows emotions and feelings.
Expressions versus Equations. A difference between expressions and equations is what each represents. An expression shows a math relationship. One key to an expression is that there is no solution. An expression does not have an answer. An expression, however, can be evaluated. To evaluate an expression, substitute values for the variables.