series

noun11

1. •
   a set of connected things, each one following the one before it

   • A series of seemingly inconsequential events led cumulatively to the fall of the company.
2. •
   A television or radio program consisting of several episodes that are broadcast at regular intervals.

   • Friends was one of the most successful television series in recent years.
3. •
   A group of matches between two sides, with the aim being to win more matches than the opposition.

   • The Blue Jays are playing the Yankees in a four-game series.
4. •
   (UK) Synonym of season (“one of the groups of episodes that together make up a whole series”).

   • I enjoyed the third series of Friends.
5. •
   The sequence of partial sums ∑ᵢ₌₁ⁿa_i of a given sequence aᵢ.

   • The harmonic series has been much studied.
6. •
   The optional taxonomic rank above order/subseries, but below superorder.
7. •
   The optional taxonomic rank above group, but below epifamily.
8. •
   A subdivision of a genus, a taxonomic rank below that of section (and subsection) but above that of species.
9. •
   A set of consonants that share a particular phonetic or phonological feature.
10. •
    A parcel of rough diamonds of assorted qualities.
11. •
    (old-fashioned) A period, stretch of time.

    • A series of ill health, however, rendered it expedient for him to return to England — 1806