partition

noun

1. (countable, uncountable)An action which divides a thing into parts, or separates one thing from another.

   “the partitions of Poland”

   “And good from bad find no partition.”

   “At the partition of Ireland in 1920, the railway mileage of the whole country stood at its maximum figure of 3,442, of which 2,668 miles were in the South, and 754 in the much smaller North.”

2. (countable, uncountable)A part of something that has been divided.

   “the Russian Partition”

3. (countable, uncountable)An approach to division in which one asks what the size of each part is, rather than (as in quotition) how many parts there are.
4. (countable, uncountable)The division of a territory into two or more autonomous ones.

   “Monarchies where partition isn't prohibited risk weakening through parcellation and civil wars between the heirs.”

5. (countable, uncountable)A vertical structure that divides a room.

   “a brick partition; lath and plaster partitions”

6. (countable, uncountable)That which divides or separates; that by which different things, or distinct parts of the same thing, are separated; boundary; dividing line or space.

   “No sight could pass / Betwixt the nice partitions of the grass.”

7. (countable, uncountable)A part divided off by walls; an apartment; a compartment.

   “Lodged in a small partition.”

8. (countable, uncountable)The severance of common or undivided interests, particularly in real estate. It may be effected by consent of parties, or by compulsion of law.
9. (countable, uncountable)A section of a hard disk separately formatted.

   “The epicenter of the disturbance is the partition currently housing a [personality construct array] retrieved from Contender AI 05-032 <+> 0816.”

10. (countable, uncountable)A division of a database or one of its constituting elements such as tables into separate independent parts.
11. (countable, uncountable)A division of a data stream, such as a messaging queue or topic (often representing a unit of parallelism, and of fault tolerance).
12. (countable, uncountable)A collection of non-empty, disjoint subsets of a set whose union is the set itself (i.e. all elements of the set are contained in exactly one of the subsets).
13. (countable, uncountable)A musical score.

verb

1. (transitive)To divide something into parts, sections or shares.

   “to partition a hard drive”

2. (transitive)To divide a region or country into two or more territories with separate political status.

   “Poland was progressively partitioned by Russia, Austria, and Prussia in the late 18th century.”

3. (transitive)To separate or divide a room by a partition (ex. a wall), often use with off.