Word · Frequency #16564
polarity
极性
核心释义
多用于物理、化学,指正负电荷或磁极等的相对性质。
the property of having an indicated pole, such as the distinction between positive and negative electric charges
- 1.
将某物分离或排列成两个相反的极。
The separation, alignment or orientation of something into two opposed poles.
- 2.
此类属性中的两个极端之一。
Either of the two extremes of such attributes.
- 3.
一个分子略带正电荷的一端与另一个或同一分子负电荷端之间的偶极-偶极分子间力。
The dipole-dipole intermolecular forces between the slightly positively-charged end of one molecule to the negative end of another or the same molecule. Wp
- 4.
胚胎在囊胚中分成动物极和植物极的分化。
The division of an embryo into an animal pole and a vegetal pole within a blastula. Wp
- 5.
细胞内形状、结构和功能的空间差异。
Spatial differences in shape, structure, and function within a cell. Wp
- 6.
电路两端电位差的度量。
A measure of the electrical potential at the ends of a circuit. Wp
- 7.
波振幅的方向或其同相或反相状态。
The direction of a wave's amplitude or its being in phase or antiphase.
- 8.
肯定与否定的语法范畴。
The grammatical category of the affirmative and the negative. Wp
- 9.
具有二阶性的对偶,即对合。
A duality that is an involution, i.e. has order two. Wp
- 10.
文字正负性的指示符。
An indicator of the positivity or negativity of a literal. Wp
- 11.
国际体系中权力分配的各种方式。
Any of the various ways in which power is distributed within the international system. Wp
- 12.
男性与女性之间的二元论概念。
The concept of dualism between masculine and feminine. Wp
将某物分离或排列成两个相反的极。;此类属性中的两个极端之一。;一个分子略带正电荷的一端与另一个或同一分子负电荷端之间的偶极-偶极分子间力。;胚胎在囊胚中分成动物极和植物极的分化。;细胞内形状、结构和功能的空间差异。
用法In use
Check the polarity of the battery before connecting the wires.
用法提示:polarity 为名词,指电池正负极的极性。
The magnet's polarity determines which end points north.
用法提示:polarity 为名词,说明磁铁的极性属性。
Some fish can sense the polarity of electric fields in the water.
用法提示:polarity 为名词,指电场的极性。
the polarity of sth
常与 of 连用,表示某物的极性。
The polarity of the battery is marked on the case.
电池的极性标记在外壳上。
polarity between A and B
用于表示两种事物之间的对立或相反关系。
相关词与表达Connections
搭配Collocations
- magnetic polarity
- 磁极性
- The compass needle responds to the Earth's magnetic polarity.指南针指针会响应地球的磁极性。
- electrical polarity
- 电极性
- Make sure the electrical polarity is correct before plugging in the device.插入设备前请确保电极性正确。
- opposite polarity
- 相反极性
- The two ends of a magnet have opposite polarity.磁铁的两端具有相反的极性。
- positive polarity
- 正极性
- A positive polarity voltage is required to power the circuit.该电路需要正极性电压才能供电。
- negative polarity
学习提示Learner notes
记忆技巧Memory Tip
联想记忆:polar(两极的)+ ity → 极性;像磁铁有N极和S极,方向相反。
语境与语域Context & Register
语域:formal 常见场景:科学教材、实验报告、技术手册 该词义多用于科学和技术语境,常见于物理、化学或电子学讨论,属于正式用语。日常口语中较少使用。
发音与拼写Pronunciation & Spelling
hilarity, popularity, regularity, clarity and charity all rhyme with polarity, sharing the stressed /ær/ sound and the final /əti/ ending (spelled '-arity'). Note that clarity and charity stress the first syllable, while the others stress the '-ar-' syllable, but the rhyme remains the same. Beware of polarize: it shares the 'polar' spelling but ends in /raɪz/, not /rəti/.
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.