corona的意思

单词音标：

【音标】 [kə'rəunə]

汉语翻译

n. 冠, 冠状物, 副冠, 根颈, 头顶, 牙冠, 檐板, 日冕, 月华, 日华, 电晕, 光圈
【计】 电晕, 冠
【化】 电晕
【医】 冠

词型变化：

名词复数:coronas 

英语解释：

名词 corona:

1. the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse同义词：aureole
2. (botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower
3. an electrical discharge accompanied by ionization of surrounding atmosphere同义词：corona discharge, corposant, St. Elmo's fire, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, electric glow
4. one or more circles of light seen around a luminous object
5. (anatomy) any structure that resembles a crown in shape
6. a long cigar with blunt ends

例句：

1. A faint glow enveloping the high-field electrode in a corona discharge, often accompanied by streamers directed toward the low-field electrode.电晕在电晕放电中在高压电极出现的一种微弱光辉，常伴随有朝向低压电极的电流

详细解释：

co.ro.na

n.（名词）
【复数】 co.ro.nas 或 co.ro.nae [-nô]
Astronomy
【天文学】
A faintly colored luminous ring appearing to surround a celestial body visible through a haze or thin cloud, especially such a ring around the moon or sun, caused by diffraction of light from suspended matter in the intervening medium.Also called aureole
华：透过霾或薄云能看到的天体所围绕的有微弱颜色的发光的环，尤指围绕月亮或太阳的这种环，是由于悬浮物在插入媒介中的衍射造成的也作 aureole
The luminous, irregular envelope of highly ionized gas outside the chromosphere of the sun.
日冕：太阳色球层外的高电离气体所形成的发光的、不规则的环
Architecture The projecting top part of a cornice.
【建筑学】 檐顶：檐凸出的顶部
A cigar with a long, tapering body and blunt ends.
一种长雪茄烟，一端粗一端细，两端都很钝
Anatomy The crownlike upper portion of a bodily part or structure, such as the top of the head.
【解剖学】 冠部：身体某部分或结构的冠状顶部，如头顶
Botany A crown-shaped, funnel-shaped, or trumpet-shaped outgrowth or appendage of the perianth of certain flowers, such as the daffodil or the spider lily.Also called crown
【植物学】 副花冠：某些花的花被的冠状、漏斗状或喇叭状分支或附属物，例如水仙或紫露草的副花冠也作 crown
Electricity A faint glow enveloping the high-field electrode in a corona discharge, often accompanied by streamers directed toward the low-field electrode.
【电学】 电晕：在电晕放电中在高压电极出现的一种微弱光辉，常伴随有朝向低压电极的电流

来源：
Latin corôna * see crown
拉丁语 corôna *参见 crown