Word
omnidirectional
/ˌɒmnidiˈrekʃənəl/
adjective
全向的；无方向性的
In every direction; able to transmit, receive, or detect signals or sounds from any direction.
常用于无线电、天线、麦克风等设备。
- 1.
In every direction, especially of a radio system capable of transmitting or receiving signals in all directions, or of a microphone capable of detecting sound from all directions.
全向的；尤指无线电系统能全方位收发信号,或麦克风能接收来自各方向的声音。
- 2.
not directional
非定向的
- 3.
Having a ring-shaped radiation pattern, with equal radiation in all azimuthal directions.
具有环形辐射方向图的,所有方位角方向辐射相等。
全向辐射的；等方向性的；全向的；尤指无线电系统能全方位收发信号,或麦克风能接收来自各方向的声音。；非定向的；具有环形辐射方向图的,所有方位角方向辐射相等。；全向的；[电] 多向性
In use
The omnidirectional microphone captures sound from all directions.
This antenna is omnidirectional, so it picks up signals equally well from every side.
Our robot uses an omnidirectional wheel system to move smoothly in any direction.
omnidirectional antenna
omnidirectional + noun
表示某设备或信号在所有方向上均等接收或发射
omnidirectional antenna
全向天线
be omnidirectional
强调属性，无需方向性
This microphone is omnidirectional.
这个麦克风是全向的。
Common mistakes
Connections
Antonyms
Confusing words
- unidirectional
- 单向的 · unidirectional强调单一方向，而omnidirectional强调所有方向。
- directional
- 有方向性的 · directional泛指有方向性或指向性，而omnidirectional强调无方向性。
Word family
- direction
- 方向 · n.
- directional
- 定向的 · adj.
- directionality
- 方向性 · n.
Learner notes
Grammar Note
通常用于名词前作定语，无比较级。
Dictionary facts from ECDICT, WIKTIONARY.