What is the meaning of Simplex?

Having a single structure; not composite or complex; undivided, unitary.

Of an eye: (supposedly) having pigment on only the posterior surface of the iris and not the anterior surface, and thus appearing blue; this was later found to be inaccurate, as eye colour is due to the amount of pigment in the anterior surface of the iris; also, of eye pigmentation: present only on the posterior surface of the iris; and of a person: having eyes with this form of pigmentation.

Of a circuit or device: involving signals which travel in one direction at a time; unidirectional.

  1. Of a polyploid organism: having one dominant allele at a given locus on all homologous chromosomes.

    Of a polyploid organism: having one dominant allele at a given locus on all homologous chromosomes.

    Synonym of heterozygous (of an organism: having two different alleles in a given gene)

    Of a word: having no (derivational) affixes; simple, monomorphemic, uncompounded.

    Of an apartment (or, sometimes, another type of property): having only one floor or storey; single-storey.

    A generalization of a triangle or tetrahedron to an arbitrary dimension, the generalization being the simplest possible convex polytope for a given dimension; more accurately, the convex hull of linearly independent points in -dimensional space.

    1. A word which is not compound and contains no derivational affixes (inflectional affixes are usually disregarded); a monomorphemic word.

      A word which is not compound and contains no derivational affixes (inflectional affixes are usually disregarded); a monomorphemic word.

      In full simplex sentence: in transformational grammar: a simple sentence which is the product of a few transformations; a kernel sentence.

      An apartment (or, sometimes, another type of property) having only one floor or storey; a single-storey property.

      single

      simple, plain, uncompounded

      pure, unmixed

      sincere, naive, frank, open, without guile, guileless, unsuspecting, innocent

      simplex

      Source: wiktionary.org