subgrades
Soil beneath pavement
Subgrades are divisions within a grade, offering finer distinctions in a classification system.
A grading scale might have A, B, and C, with subgrades like B+ and B- indicating positions within the broader category.
The term appears in academic grading, medical staging, and quality assessment: The tumor was classified as subgrade 2b.
Parallel geological layers
- substrataUnderlying supporting layers
- sedimentParticles settling in liquid
- rock layersSuperimposed geological deposits
- excavationAct of unearthing
foundation · bedrock · underlying · subsurface · formations · deposits · mining · drilling
Divisions within a classification
- subdivisionsPortions of a whole
- tiersHorizontal arranged levels
- levelsHeights or ranked stages
- rankingsOrdered list by performance
gradations · stratification · hierarchy · differentiation · segmentation · categorization · grouping · ordering
Of first principles
- primaryChief in importance
- kindergartenEarly schooling for youngsters
- preschoolEarly childhood educational program
- curriculumEducational program's content plan
students · classroom · schooling · instruction · assessment · performance · homework · lessons
Added cost for better
- standardLevel of quality accepted
- inferiorOf lower rank
- superiorHigher in rank
- ratingsEvaluative scores assigned
classifications · tiers · specifications · tolerances · distinctions · variations · grading · sorting
strata
Parallel geological layers
- substrataUnderlying supporting layers
- sedimentParticles settling in liquid
- rock layersSuperimposed geological deposits
excavation · foundation · bedrock · underlying · subsurface · formations · deposits · mining · drilling · core samples
subcategories
Divisions within a classification
- subdivisionsPortions of a whole
- tiersHorizontal arranged levels
- levelsHeights or ranked stages
rankings · gradations · stratification · hierarchy · differentiation · segmentation · categorization · grouping · ordering · structuring
elementary
Of first principles
- primaryChief in importance
- kindergartenEarly schooling for youngsters
- preschoolEarly childhood educational program
curriculum · students · classroom · schooling · instruction · assessment · performance · homework · lessons · progression
premium
Added cost for better
ratings · classifications · tiers · specifications · tolerances · distinctions · variations · grading · sorting · evaluation