Facial reddening on one side can be caused by several factors, including localized inflammation, such as from an infection or allergic reaction, or conditions like rosacea. Other potential causes include nerve damage or irritation, such as that seen in conditions like Bell's palsy or shingles. Additionally, vascular issues, like a hemangioma or a transient increase in blood flow, can also lead to unilateral facial redness. If the redness is sudden or accompanied by other symptoms, it's important to seek medical evaluation.
no shape
The shape that has one side of a face is a "cone." A cone has a circular base and a pointed top, resulting in one curved surface and one flat face. It can be visualized as a three-dimensional object that tapers smoothly from the base to the apex.
Redden means to become red.Footnote: This form of the word red is one of very few examples of English as an 'inflecting' or 'fusional' language. In its early history English was highly fusional, meaning that word endings were extensively used in order to indicate the function of a word, similar to Latin. Other words similar to redden are oaken and golden.
a face
don't no
tidal lock
The side of your face is called the profile
Pennies have Abraham Lincoln's face on one side. Nickels have Thomas Jefferson on one side. Dimes have Franklin Delano Roosevelt's face on one side. Quarters have Georges Washington's face on them. Half-dollar pieces have John F. Kennedy's face on one side.
stroke
To answer this question more details need to be provided. For example one a 3D shape one side is called a face.
One side of the moon is always lit because of a phenomenon called "synchronous rotation," where the moon rotates on its axis at the same rate that it orbits the Earth. This causes one side of the moon to constantly face towards Earth while the other side remains in darkness.
bilaterally symmetrical
no shape
An edge.
A sphere
a line
A blob.