The phrase "turns yellow" is phonetically spelled as /tɜrns ˈjɛloʊ/. The first sound in "turns" is the voiced alveolar flap /ɾ/, followed by the vowel sound /ɜ/. The second word, "yellow," begins with the voiced palato-alveolar fricative /j/ and ends with the diphthong /ɛloʊ/. This phrase refers to an object or substance that becomes yellow in color, often due to oxidation or age. It is commonly used to describe the fading of paper or the discoloration of certain foods.
"Turns yellow" is a phrase that describes the process of an object, substance, or living organism changing color to a shade of yellow. This transformation can occur naturally, chemically, or as a result of various factors.
When used to describe a natural occurrence, "turns yellow" could refer to the changing color of leaves during the fall season. The chlorophyll in the leaves breaks down, revealing xanthophylls and carotenoids that give them a yellow hue.
In a chemical context, certain substances may undergo a yellowing process when exposed to specific environmental conditions or reactions. For example, the oxidation of certain chemicals or the exposure of certain plastics to UV light can cause them to turn yellow over time.
The phrase can also pertain to living organisms undergoing color changes. Some animals, such as certain species of fish or reptiles, may exhibit yellowing as part of their natural defense mechanisms or as a sign of illness. Additionally, it can refer to bodily functions, where the yellowing of bodily fluids or tissues, such as urine or the whites of the eyes, could be symptomatic of underlying health issues, such as liver or kidney problems.
Overall, "turns yellow" signifies the visible alteration of an object, substance, or living organism into a yellow color, stemming from a variety of natural, chemical, or biological causes.
The phrase "turns yellow" does not have a specific etymology as it is a combination of two separate words. "Turns" is derived from the Old English word "turnian", meaning "to rotate" or "to revolve". "Yellow", on the other hand, comes from the Old English word "geolu" or "geolwe", which referred to the color yellow. The phrase "turns yellow" is commonly used to describe the process in which something changes color from another hue to yellow.