1.to eat or drink something [lo]
If you consume something, you eat or drink it. [co]
2.to completely use time, energy, goods etc. [lo]
To consume an amount of fuel, energy, or time means to use it up. [co]
1) Smokers tend to consume more sugar than non-smorkers.
2) This is an energy consuming work.
3) The average American consumes 15 quarts of ice cream annually.
4) Today over 1 billion pounds of chemical additives are consumed every year.
[lo] LONGMAN Advanced AMERICAN DICTIONARY
[co] Collins COBUILD English Dictionary