multigrade

About 0.04 uses per million words.

Meaning

1. adjective Having the characteristics of multiple grades of a product (especially of a lubricating oil)
2. adjective Relating to students of differing grade levels
3. noun An oil having a viscosity specified for multiple temperature ranges.

Similar words

multigraded monograde multifuel multigrain multiproduct multicoated multigeared multiflavored multifueled multibranded

Often followed by

teaching oils schools classes classrooms oil and paper classroom iv