plural of seventh grade

(construction) A horizontal placement of concrete directly over a prepared earth substrate.

(military) Each of the commissions which rank a (para)military officer below the (highest) class of general officers, but above other commissioned officers and NCOs.

simple past tense and past participle of make the grade

plural of letter grade

To use a grading system based on the scale of performance of a group to normalize a right-skewed grade distribution (with more lower scores) into a bell curve, so that more can receive higher grades, regardless of their actual knowledge of the subject; to curve a grade.

(Indo-European linguistics) Synonym of e-grade

Alternative spelling of zero-grade

plural of grade sixer

(Canada) Synonym of sixth grader