The usually informal hierarchy of authority or command, often partial or approximate, as determined by the especially natural propensity for domination of different members of a specific group over each other, such as older brothers and sisters over their younger siblings.
The natural hierarchy of social status and dominance occurring in a group of birds.
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.