intake
n. C / Un. the amount of something, like food or drink, that you take into your body. It can also mean the act of breathing in air.
n. the quantity of a substance, such as food, liquid, or air, consumed or inhaled by an organism. Also refers to the act of bringing something into a system or body.
You should reduce your daily salt intake.
The doctor advised her to increase her water intake during the summer months to stay hydrated.
A sudden, sharp intake of breath was the only sound in the room after the judge announced the controversial verdict.
From English dialectal (Northern England/Scotland), deverbal of take in, equivalent to in- + take. More at in-, take.
Uncountable when referring to the general amount consumed; countable when referring to a specific instance of breathing in or a specific group of people entering an institution.