What is a acrostic for conduction?

Certainly! An acrostic for "conduction" could be:

C - Carries heat through direct contact O - Occurs in solids, liquids, and gases N - Needs a medium to transfer heat D - Depends on the temperature difference between objects U - Utilizes vibrating particles to transfer thermal energy C - Can be enhanced by materials with high thermal conductivity T - Transfers heat from hotter to cooler regions I - Is an important mechanism in thermal energy transfer O - Operates through collisions between particles N - Never requires the movement of the medium.