fraction和segment的区别

seg.ment

segment的词性：

n.（名词）

1. Any of the parts into which something can be divided:

部分，片：某些可被分割的任一片：

用法与例句：

segments of the community; a segment of a television program.

社区的组成部分；电视节目的一个片断

2. Mathematics

数学

3. The portion of a line between any two points on the line.

线段：线上任意两点间的部分

4. The area bounded by a chord and the arc of a curve subtended by the chord.

弓形，扇形：由弦正对的弦和弧线的弧所成的区域

5. The portion of a sphere cut off by two parallel planes.

球缺：被两个平行平面切割的球的一部分

6. Biology A clearly differentiated subdivision of an organism or part, such as a metamere.

生物学 体节：某一器官或部位再分的有明显区别的部分，如分裂片

segment的词性：

v.tr.intr.（及物动词和不及物动词）

segmented， segmenting， segments[]

7. To divide or become divided into segments.

切割：分割或使分割成很多部分

segment的词源：

8. Latin segmentum

拉丁语 segmentum

9. from secre [to cut] * see sek-

源自 secre [切，割] *参见 sek-

frac.tion

fraction

fraction的词性：

n.（名词）

1. Mathematics An expression that indicates the quotient of two quantities.

数学 分数：表明两个量的商的表达式

2. A disconnected piece; a fragment.

不相连的一块；片段

3. A small part; a bit:

一小部分；些微：

用法与例句：

moved a fraction of a step.

移了一小步

4. A chemical component separated by fractionation.

分馏：被分馏出的化学成分

fraction的词源：

5. Middle English fraccioun [a breaking]

中古英语 fraccioun [裂缝]

6. from Anglo-Norman

源自 英法语

7. from Late Latin frcti frctin-

源自 后期拉丁语 frcti frctin-

8. from Latin frctus [past participle of] frangere [to break] * see bhreg-

源自 拉丁语 frctus [] frangere的过去分词 [打碎] *参见 bhreg-

fraction的注释：

9. One might think that a word like fraction as well as its ancestors might have always referred to the mathematical fraction. Certainly the mathematical notion of a fraction was known to the Babylonians, perhaps as early as 2000 bc But our word fraction goes back only to the Latin word frangere, “to break.” From the stem of the past participle frctus is derived Late Latin frcti, “a breaking” or “a breaking in pieces,” as in the breaking of the Eucharistic Host. In Medieval Latin the word frcti developed its mathematical sense, which was taken into Middle English along with the word. The earliest recorded sense of our word is “an aliquot part of a unit, a fraction or subdivision,” found in a work by Chaucer written about 1400. One of the next recorded instances of the word recalls its origins, referring to the “brekying or fraccioun” of a bone.

人们也许认为一个词如fraction 以及它的词源总是指数学上的分数。 当然，分数的数学概念也许早在公元前 2000年就已被巴比伦人所熟知。 但fraction 一词仅能追溯到拉丁词 frangere ，“打碎”。 源自过去分词fractus 的词干是派生的后期拉丁语 fractio ， 意为“破裂”或“碎成一片片的”， 如感恩节的饼的碎块。在中世纪拉丁语中，fractio 一词出现了数学意义， 这个词连同此意义都被记入中世纪英语中。这个词最早记载的意义是“一个数学单元，繁分数或再分数的约数”，出现在约1400年乔臾写的一部作品里。后来此词有记录的例子之一，指骨头上的“裂痕或碎片”，使人回忆起它的起源