conjugation
nounUK /ˌkɒndʒʊˈɡeɪʃən/
US /ˌkɑːndʒəˈɡeɪʃən/
Conjugation is how a verb changes its form to show who is doing the action or when it happens.
In English, the conjugation of 'to be' gives us 'I am,' 'you are,' and 'she is.'
OTHER MEANINGS
2. The act of joining or pairing two things together.
The conjugation of the two chemicals produced a bright blue color.
3. In biology, the joining of two single-celled organisms to exchange genetic material.
Bacteria can undergo conjugation to share genes with each other.
4. A pair or set of things that are joined together.
The two stars form a close conjugation in the night sky.