conchoid background
BeDict Logo

conchoid

/ˈkɒŋkɔɪd/ /ˈkɑːŋkɔɪd/

Meanings
noun

蚌线

Any of a family of curves defined as the locus of points p, such that each p is on a line that passes through a given fixed point P and intersects a given curve, C, and the distance from p to the point of intersection with C is a specified constant (note that for nontrivial cases two such points p satisfy the criteria, and the resultant curve has two parts).

Examples :

"The Conchoid of Nicomedes is the conchoid of a straight line with respect to a point not on the line."
尼科美德斯蚌线是以直线为基础，相对于不在该直线上的点所作出的蚌线。
math technical

Related Words

Illustration intersects

intersects verb

/ˌɪntərˈsekt͡s/ /ˌɪntɚˈsekt͡s/

相交，交叉，横切

"Any two diameters of a circle intersect each other at the centre."

圆的任意两条直径都相交于圆心。

Illustration constant

constant noun

/ˈkɒnstənt/ /ˈkɑnstənt/

常量，常数。

"The constant noise from the construction site made it hard to concentrate on my homework. "

建筑工地传来的持续不断的噪音，吵得我很难集中精力做作业。

Illustration specified

specified adjective

/ˈspɛsɪfaɪd/

指定的，明确的

"The specified dress code for the party included a formal gown and black tie. "

晚会明确规定的着装要求包括正式礼服和黑色领结。

Illustration arrowhead

arrowhead noun

/ˈæroʊˌhɛd/ /ˈæroʊhɛd/

箭头，镞。

"The arrowhead was chipped, making the arrow unsafe to use. "

箭头破损了，导致这支箭不能安全使用了。

Illustration resembling

resembling verb

/ɹɪˈzɛmblɪŋ/

类似，像。

"The twins resemble each other."

这对双胞胎长得很像。

Illustration conchoidal

conchoidal adjective

/kɒŋˈkɔɪdəl/ /kɑŋˈkɔɪdəl/

贝壳状的，贝壳线的

"The broken glass shard had a curved, conchoidal fracture, resembling the inside of a seashell. "

破碎的玻璃碎片呈现出弯曲的、贝壳状断口，看起来像贝壳的内表面。

Illustration fractured

fractured verb

/ˈfræktʃərd/ /ˈfræktʃərəd/

断裂，破裂。

"The clumsy student fractured the test tube while rushing in the lab. "

那个笨手笨脚的学生在实验室里匆匆忙忙的时候，把试管弄裂了。

Illustration distance

distance noun

/ˈdɪs.təns/

距离，路程。

"From Moscow, the distance is relatively short to Saint Petersburg, relatively long to Novosibirsk, but even greater to Vladivostok."

从莫斯科出发，到圣彼得堡的距离比较近，到新西伯利亚的距离相对较远，但到符拉迪沃斯托克的距离就更远了。

Illustration displayed

displayed verb

/dɪsˈpleɪd/

展示， 呈现， 显现

"The store displayed the new fall clothing in its front window. "

商店在橱窗里展示了新款秋装。

Illustration intersection

intersection noun

/ˈɪntəɹˌsɛkʃən/

十字路口，交叉路口

"The intersection of Maple Street and Oak Avenue is always congested during rush hour. "

枫树街和橡树大道的十字路口在高峰时段总是很拥堵。

Illustration resultant

resultant noun

/rɪˈzʌltənt/ /rɪˈzʌltnt/

结果, 后果.

"The resultant of her hard work was a good grade on the exam. "

她努力学习的结果是考试成绩很好。

Illustration nontrivial

nontrivial adjective

/ˌnɒnˈtɹɪ.vi.əl/

非同小可，重要的，有意义的

"The problem of finding affordable housing in the city is a nontrivial issue that requires serious consideration. "

在城市里找到经济适用房的问题并非小事，这是一个需要认真对待的重要问题。