protractors Definition

erasers, pencils, ballpoints, crayons, brads, scotch tape, calculators, inkwells, compasses, blackboards, abacuses, styluses, chessboards, parallelograms, paperclips, sines, pinking shears, pasteboard, hilts, grease pencil, thimbles, cosines, crayola, notepads, staplers, trivets, binders, xylophones, quilling, thesauruses, doilies, foolscap, spatulas, textbooks, electric sander, algebraic, allen wrench, pendulums, rickrack, trigonometry, phonographs, cardstock, filigrees, lyres, typewriters, pegboard, whiteboards, blotting paper, theorems, spirograph, sealing wax, elastics, pogs, octagons, polyhedrons, digitals, notebooks, daubers, embroidery hoop, onionskin, awls, dowels, colanders, polynomials, thingamajigs, globes, crochet hook, quadratic equation, potholder, sellotape, tetrahedrons, differential calculus, stud finder, sketchpad, armillary sphere, plectrums, sharpener, mnemonics, mallets, needlenose pliers, dewey decimal system, missals, schoolbooks, zithers, pancake turner, plumb bob, microscopes, sundials, manilla, handsaws, scissors, participles, stereopticon, chisels, brail, planchette, pythagorean theorem, algebra, fletching, papier,