MODULE

noun Etymology: Latin modulus Date: circa 1628 a standard or unit of measurement, the size of some one part taken as a unit of measure by which the proportions of an architectural composition are regulated, 3. any in a series of standardized units for use together: as, a unit of furniture or architecture, an educational unit which covers a single subject or topic, a usually packaged functional assembly of electronic components for use with other such assemblies, an independently operable unit that is a part of the total structure of a space vehicle, 5. a subset of an additive group that is also a group under addition, a mathematical set that is a commutative group under addition and that is closed under multiplication which is distributive from the left or right or both by elements of a ring and for which a(bx) = (ab)x or (xb)a = x(ba) or both where a and b are elements of the ring and x belongs to the set