focal point or focus (literal and figurative)

feeling worried, nervous, or apprehensive about an uncertain outcome

worried and impatient due to an urgent matter or uncertainty

to focus

to focus (a camera)

coke (processed coal used in blast furnace)

The distance between the center of a lens or curved mirror and its focus.

feeling or showing extreme impatience, anxiety, or restlessness

to coke; to convert into coke through carbonization

being in a burnt, singed, or scorched state

badly burned about the head and face, especially as a result of fighting a fire

anxious and restless; worried too much

deeply worried

the industrial process of converting coal into coke by heating it in the absence of air

Jiaozuo, a prefecture-level city in Henan Province

coking furnace

joule (unit of energy)

(TCM) middle burner, the part of the body within the abdominal cavity between the diaphragm and the navel, including the spleen and stomach

feeling extremely worried or impatient

having a yellowish, unhealthy, or sickly appearance, typically referring to a person's complexion

to burn (food by overroasting etc)

the odor of something being burnt or scorched

(TCM) the lower burner, the part of the body within the pelvic cavity (below the navel, including the kidneys, bladder and intestines)

to focus

coking furnace

(TCM) upper burner, the part of the body within the thoracic cavity (above the diaphragm, including the heart and lungs)

the aesthetic quality of the blur in the out-of-focus parts of an image

(photography) zoom

extremely worried or consumed with burning anxiety

confocal (math.)

a sense or feeling of anxiety or apprehension

(TCM) the three truncal cavities (thoracic, abdominal and pelvic), known as the "triple heater" or "San Jiao"

generalized anxiety disorder (GAD)

burnt aroma

microfocus x-ray computed tomography (microCT)

the aesthetic quality of the blur in the out-of-focus parts of a photograph; bokeh

A mental health condition characterized by persistent, excessive worry and fear that interferes with daily life.

(photography) zoom ring