yellow dwarf
The term "yellow dwarf" has applications in both astronomy, where it refers to a type of star, and botany, where it describes certain plant diseases.
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Definition
C1Astronomy
(technical, academic)A main-sequence star of spectral type G, including stars like our Sun, with surface temperatures between 5,200 and 6,000 degrees Kelvin.
Example
- The Sun is classified as a yellow dwarf due to its size and temperature.
- Yellow dwarfs are common in the galaxy and are often studied in stellar astronomy.
C1Botany
(technical, academic)A group of plant diseases caused by viruses, marked by the yellowing and stunting of leaves.
Example
- The yellow dwarf disease affected the barley crop, causing significant yield loss.
- Farmers are concerned about yellow dwarf viruses spreading to their tomato plants.
Similar
Terms that have similar or relatively close meanings to "yellow dwarf":
ice dwarfyellow copperyellow metalyellow manyellow upyellow lightyellow out