division

part, piece, section, division, portion, fraction, fragment, segment, share

名词 division:

1. an army unit large enough to sustain combat
2. one of the portions into which something is regarded as divided and which together constitute a whole
   同义词：part, section
3. the act or process of dividing
4. an administrative unit in government or business
5. an arithmetic operation that is the inverse of multiplication; the quotient of two numbers is computed
6. discord that splits a group
   同义词：variance
7. a league ranked by quality
   同义词：class
8. (biology) a group of organisms forming a subdivision of a larger category
9. (botany) taxonomic unit of plants corresponding to a phylum
10. a unit of the United States Air Force usually comprising two or more wings
    同义词：air division
11. a group of ships of similar type
    同义词：naval division
12. the act of dividing or partitioning; separation by the creation of a boundary that divides or keeps apart
    同义词：partition, partitioning, segmentation, sectionalization, sectionalisation

1. Addition and division are forms of computation.
   加法和除法都是计算方法。
2. Can you do long division?
   你会长除法吗?
3. The Bill was read without a division.
   该法案未经分组表决即进行宣读。
4. Is that a fair division of the money?
   那样分款公平吗？
5. The divisions between the various classes of society are not so sharply marked as they used to be.
   现在社会上各阶级的区分不象过去那样明显了。

di.vi.sion

n.Abbr. div.（名词）缩写 div.

The act or process of dividing.
分开，分隔：分隔的行为或过程
The state of having been divided.
被分隔的状况
The proportional distribution of a quantity or entity.
按比例分配：一数量或一总体的按比例分配
Something, such as a boundary or partition, that serves to divide or keep separate.
分隔物，分界线：分界物或分割物，用作分配或分类
One of the parts, sections, or groups into which something is divided.
一组：某物被分割后其部分、区域或群组之一

An area of government or corporate activity organized as an administrative or functional unit.
部门：政府或公司的一个部分，属一行政或功能单位
A territorial section marked off for political or governmental purposes.
区域：因为政治或行政目的而划分的区域

An administrative and tactical military unit that is smaller than a corps but is self-contained and equipped for prolonged combat activity.
师：军队的行政和作战单位，比军小，但设备齐全且配有长期战斗的装备
A group of several ships of similar type forming a tactical unit under a single command in the U.S. Navy.
舰艇分队：直属于美国海军部的作战单位，由数艘舰船组成
A unit of the U.S. Air Force larger than a wing and smaller than an air force.
航空兵分队：美国空军编制单位。在航空联队以上，航空队以下
Botany The highest taxonomic category, consisting of one or more related classes, and corresponding approximately to a phylum in zoological classification.See table at taxonomy
【植物学】 门：植物分类的最高类别，由一个或多个纲组成，与动物分类中的门大致对应参见 taxonomy
A category created for purposes of competition, as in boxing.
分类项目：为比赛目的而分的级，如在拳击比赛中

Variance of opinion; disagreement.
分歧，不和：相左的意见；不同意
A splitting into factions; disunion.
分裂，分离：分成派别；不团结
The physical separation and regrouping of members of a parliament according to their stand on an issue put to vote.
分组表决：根据议员对某提案的表决态度而作的划分或分组
Mathematics The operation of determining how many times one quantity is contained in another; the inverse of multiplication.
【数学】 除法：确定某数是另一数的几倍的运算；与乘法相反
Biology Cell division.
【生物学】 细胞分裂
A type of propagation characteristic of plants that spread by means of newly formed parts such as bulbs, suckers, or rhizomes.
植物遗传类型：由新生部分方式繁殖的植物繁殖类型，如球茎、分枝或根茎等

来源：
Middle English divisioun
中古英语 divisioun
from Old French division
源自 古法语 division
from Latin dovosiô dovosiôn-
源自 拉丁语 dovosiô dovosiôn-
from dovosus [past participle of] dovidere [to divide] * see divide
源自 dovosus [] dovidere的过去分词 [分开] *参见 divide

【引伸】
divi.sional
adj.（形容词）