UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˌsʌbdɪˈvɪʒən/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/ˈsʌbdɪˌvɪʒən/ ,USA pronunciation: respelling(subdi vizh′ən)

WordReference Random House Unabridged Dictionary of American English © 2020
sub•di•vi•sion  (subdi vizh′ən),USA pronunciation n. 
  1. the act or fact of subdividing.
  2. a product of subdividing, as a section of a department.
  3. a portion of land divided into lots for real-estate development.
  4. Biology[Bot., Mycol.]a category of related classes within a division or phylum.
  • Late Latin subdīvīsiōn- (stem of subdīvīsiō), equivalent. to subdīvīs(us) (past participle of subdīvīdere to subdivide) + -iōn- -ion
  • 1545–55

Collins Concise English Dictionary © HarperCollins Publishers::
subdivision /ˈsʌbdɪˌvɪʒən/ n
  1. the process, instance, or state of being divided again following upon an earlier division
  2. a portion that is the result of subdividing
  3. US Canadian a tract of land for building resulting from subdividing land
  4. Canadian a housing development built on such a tract
WordReference Random House Learner's Dictionary of American English © 2020
sub•di•vide /ˈsʌbdɪˌvaɪd/USA pronunciation   v.,  -vid•ed, -vid•ing. 
  1. (of something already divided) to (cause to) become divided into smaller parts: [no object]The recently formed egg cells subdivided.[+ object]to subdivide the cells.
  2. to divide (a piece of land) into building lots:[+ object]to subdivide the three-square-block area into smaller units for development.
sub•di•vi•sion /ˈsʌbdɪˌvɪʒən/USA pronunciation  n. [countable]a housing subdivision; a political subdivision.

WordReference Random House Unabridged Dictionary of American English © 2020
sub•di•vide  (sub′di vīd, subdi vīd′),USA pronunciation v.,  -vid•ed, -vid•ing. 
  1. to divide (that which has already been divided) into smaller parts;
    divide again after a first division.
  2. to divide into parts.
  3. to divide (a plot, tract of land, etc.) into building lots.

  1. to become separated into divisions.
sub′di•vida•ble, adj. 
subdi•vid′er, n. 
  • Late Latin subdīvīdere. See sub-, divide
  • late Middle English 1400–50

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