The division of a genus into two species; a division into two subordinate parts.
A phase of the moon when it appears half lit and half dark, as at the quadratures.
A separation or division into two; a distinction that results in such a division.
Such a division involving apparently incompatible or opposite principles; a duality.
The division of a class into two disjoint subclasses that are together comprehensive, as the division of man into white and not white.
Division and subdivision; bifurcation, as of a stem of a plant or a vein of the body into two parts as it proceeds from its origin; often successive.
A subdivision of a genus, a taxonomic rank below that of section (and subsection) but above that of species.
A set of consonants that share a particular phonetic or phonological feature.
A television or radio program which consists of several episodes that are broadcast in regular intervals
A number of things that follow on one after the other or are connected one after the other.
An unranked taxon.
A parcel of rough diamonds of assorted qualities.
The sequence of partial sums ∑ᵢ₌₁ⁿa_i of a given sequence aᵢ.
A group of matches between two sides, with the aim being to win more matches than the opposition.