Dictionary entry
saint ulmo's fire
雷雨天中，因空气中电场很强，避雷针、船桅等尖端物体上产生辉光放电的天气现象
a weather phenomenon in which pointed objects such as ship masts or lightning rods emit a glowing plasma discharge in a strong electric field, typically during thunderstorms
也作 St. Elmo's fire（圣艾尔摩之火）
- 1.
an electrical discharge accompanied by ionization of surrounding atmosphere
In use
The sailors watched in awe as Saint Ulmo's fire flickered at the tips of the masts during the storm.
Pilots occasionally report seeing Saint Ulmo's fire on the windshield of their aircraft.
Ancient mariners considered Saint Ulmo's fire a good omen, believing it marked the presence of a protective spirit.
Saint Ulmo's fire + appear(s) on [place]
此模式描述现象的典型发生场景。
Saint Ulmo's fire appears on pointed objects during thunderstorms.
圣厄尔莫之火在雷暴期间出现在尖端物体上。
see/spot Saint Ulmo's fire + [at/on location]
Sailors sometimes see Saint Ulmo's fire at the mastheads.
水手有时在桅杆顶部看到圣厄尔莫之火。
with Saint Ulmo's fire + verb-ing
用with结构描述伴随现象。
The ship sailed on, with Saint Ulmo's fire flickering at the tips of the masts.
船继续航行，圣厄尔莫之火在桅杆尖上闪烁。
look like Saint Ulmo's fire
比喻用法。
The glowing tips of the antenna looked like Saint Ulmo's fire.
天线发光的尖端看起来像圣厄尔莫之火。
Connections
Confusing words
- ball lightning
- 球状闪电 · 球状闪电是一种罕见的球形等离子体放电现象，通常与雷暴相关，但与圣厄尔莫之火不同，它是独立移动的球体，而非固定在尖端物体的辉光。
- corona discharge
- 电晕放电 · 电晕放电是圣厄尔莫之火的科学名称，但作为术语使用时，它强调物理过程而非现象本身，且可能在实验室或高压输电线上出现，不限于雷暴。
Dictionary facts from AI_FALLBACK, ECDICT, WORDNET.