(~s)
1.
A ~ is a very small tube containing powdered or liquid medicine, which you swallow.
...cod liver oil ~s...
N-COUNT
2.
A ~ is a small container with a drug or other substance inside it, which is used for medical or scientific purposes.
They first implanted ~s into the animals’ brains...
N-COUNT
3.
A space ~ is the part of a spacecraft in which people travel, and which often separates from the main rocket.
A Russian space ~ is currently orbiting the Earth.
N-COUNT