A secretion is something that is released from the body in order to do something. Some body secretions are important, like sweat, while others are just waste products.
The secretion that the doctor was looking for was present in the patient's blood.
The secretion that is released when you cry is called tears.
verb
generate and separate from cells or bodily fluids
Synonyms:
verb
place out of sight; keep secret
1
Pilocarpine stimulates the secretion of large amounts of saliva and sweat.
2
Worse conditions may exhibit nasal discharge or foamy secretion from the eyes.
3
The secret was concealed.
4
Perseverance is the secret of success.
5
Here is the secret of the phenomenon.
6
The man disclosed the secrets.
7
The midwife is killed in secret.
8
The organization is secret and covert.
9
The secretions of the cervix increase.
10
What is your secret