MINUS a.
Less; requiring to be subtracted; negative; as, a minus quantity. Minus sign (Math.), the sign [-] denoting minus, or less, prefixed to negative quantities, or quantities to be subtracted. See Negative sign, under Negative.
MODULUS n.
A quantity or coefficient, or constant, which expresses the measure of some specified force, property, or quality, as of elasticity, strength, efficiency, etc.; a parameter. Modulus of a machine, a formula expressing the work which a given machine can perform under the conditions involved in its construction; the relat…