Cell division

Division Di*vi"sion, n. [F. division, L. divisio, from dividere. See {Divide}.] 1. The act or process of diving anything into parts, or the state of being so divided; separation. [1913 Webster]

I was overlooked in the division of the spoil. --Gibbon. [1913 Webster]

2. That which divides or keeps apart; a partition. [1913 Webster]

3. The portion separated by the divining of a mass or body; a distinct segment or section. [1913 Webster]

Communities and divisions of men. --Addison. [1913 Webster]

4. Disunion; difference in opinion or feeling; discord; variance; alienation. [1913 Webster]

There was a division among the people. --John vii. 43. [1913 Webster]

5. Difference of condition; state of distinction; distinction; contrast. --Chaucer. [1913 Webster]

I will put a division between my people and thy people. --Ex. viii. 23. [1913 Webster]

6. Separation of the members of a deliberative body, esp. of the Houses of Parliament, to ascertain the vote. [1913 Webster]

The motion passed without a division. --Macaulay. [1913 Webster]

7. (Math.) The process of finding how many times one number or quantity is contained in another; the reverse of multiplication; also, the rule by which the operation is performed. [1913 Webster]

8. (Logic) The separation of a genus into its constituent species. [1913 Webster]

9. (Mil.) (a) Two or more brigades under the command of a general officer. (b) Two companies of infantry maneuvering as one subdivision of a battalion. (c) One of the larger districts into which a country is divided for administering military affairs. [1913 Webster]

10. (Naut.) One of the groups into which a fleet is divided. [1913 Webster]

11. (Mus.) A course of notes so running into each other as to form one series or chain, to be sung in one breath to one syllable. [1913 Webster]

12. (Rhet.) The distribution of a discourse into parts; a part so distinguished. [1913 Webster]

13. (Biol.) A grade or rank in classification; a portion of a tribe or of a class; or, in some recent authorities, equivalent to a subkingdom. [1913 Webster]

{Cell division} (Biol.), a method of cell increase, in which new cells are formed by the division of the parent cell. In this process, the cell nucleus undergoes peculiar differentiations and changes, as shown in the figure (see also {Karyokinesis}). At the same time the protoplasm of the cell becomes gradually constricted by a furrow transverse to the long axis of the nuclear spindle, followed, on the completion of the division of the nucleus, by a separation of the cell contents into two masses, called the daughter cells.

{Long division} (Math.), the process of division when the operations are mostly written down.

{Short division} (Math.), the process of division when the operations are mentally performed and only the results written down; -- used principally when the divisor is not greater than ten or twelve.

Syn: compartment; section; share; allotment; distribution; separation; partition; disjunction; disconnection; difference; variance; discord; disunion. [1913 Webster]