heldconstant

adjective
UK /hɛld ˈkɒnstənt/
US /hɛld ˈkɑːnstənt/

Kept the same and not changed.

The temperature was held constant during the whole experiment.


OTHER MEANINGS

2. Kept at one fixed value on purpose while other things change.

The scientists held constant the amount of water given to each plant.

3. Not allowed to vary so a test stays fair.

In the game, the rules were held constant for every player.

4. Kept steady and not moved or adjusted.

The speed of the machine was held constant all afternoon.