You searched for: “corona
corona (s) (noun), coronas (pl)
1. A faintly colored luminous ring appearing to surround a celestial body that is visible through a haze or a thin cloud: A corona is the outermost parts of the sun's atmosphere which is visible in a total eclipse.
2. The luminous irregular envelope of highly ionized gas outside the chromosphere of the sun.
3. In architecture, the projecting top part of a cornice.
4. In anatomy, the crown-like upper portion of a bodily part or structure; such as, the top of the head.
5. In 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 which is also called "a crown".
6. In electricity, a faint glow enveloping the high-field electrode in a corona discharge, often accompanied by streamers directed toward the low-field electrode.
This entry is located in the following unit: coron-, coroll- (page 1)
Word Entries containing the term: “corona
electric corona (s) (noun), electric coronas (pl)
A discharge of electricity appearing as a bluish-purple glow on the surface of and next to a conductor when the voltage gradient exceeds a certain critical value resulting from the ionization of the air in the area around the high voltage.
This entry is located in the following units: coron-, coroll- (page 1) electro-, electr-, electri- (page 7)
Word Entries at Get Words: “corona
1. The outermost layer of the sun and many other stars; a faint halo of extremely hot (million-degree) gas.
2. A faint halo of hot (estimated to be approximately 2,000,000°C or 3,600,000°F) and tenuous gas around the sun, which boils from the surface.

It is visible at solar eclipses or through a coronagraph, an instrument that blocks light from the sun's brilliant disk.

Gas flows away from the corona to form the solar wind.

This entry is located in the following unit: Astronomy and related astronomical terms (page 7)