multigrade

adjective

mul·​ti·​grade ˌməl-tē-ˈgrād 

-ˌtī-

1

: including or involving students from more than one grade level

a multigrade classroom

2

of motor oil : having a viscosity range that allows use over a wide temperature range

Due to the need for an oil that embodies both good lubrication at high temperatures and easy cranking in cold weather, multigrade oils have been developed. Basically, a multigrade oil is thinner at low temperatures and thicker at high temperatures.

—Kevin M. G. Maher et al.

Examples of multigrade in a Sentence

Recent Examples on the Web

After interviewing 37 foster youths from 30 states, the organization found that nearly all of those who attended schools in institutions reported getting poor-quality instruction, often in multigrade classrooms with minimal resources and ill-prepared teachers, Fathallah said. —Erin Einhorn, NBC News, 11 July 2022

Word History

First Known Use

1949, in the meaning defined at sense 1