103,025
edits
Changes
From Nordan Symposia
Jump to navigationJump to searchNew page: Noun - focus Plural - countable and uncountable; foci or focuses *1. (countable) (optics) a point at which reflected or refracted rays of light converge. The heat of sunlight ...
Noun - [[focus]]
Plural - countable and uncountable; [[foci]] or focuses
*1. (countable) (optics) a point at which reflected or refracted rays of light converge.
The heat of sunlight at the focus of a magnifying glass can easily set dry leaves on fire.
*2. (countable) (geometry) a point of a conic at which rays reflected from a curve or surface converge.
*3. (uncountable) (photography, cinematography) The fact of the convergence of light on the photographic medium.
Unfortunately, the license plate is out of focus in this image.
*4. (uncountable) (photography, cinematography) The quality of the convergence of light on the photographic medium.
During this scene, the boy’s face shifts subtly from soft focus into sharp focus.
*5. (uncountable) concentration of attention.
I believe I can bring the high degree of focus required for this important job.
*6. (countable) the exact point of where an earthquake occurs, in three dimensions.
The earthquake's focus was at exactly 37 degrees north, 18 degrees south, seventy five meters below the ground.
Plural - countable and uncountable; [[foci]] or focuses
*1. (countable) (optics) a point at which reflected or refracted rays of light converge.
The heat of sunlight at the focus of a magnifying glass can easily set dry leaves on fire.
*2. (countable) (geometry) a point of a conic at which rays reflected from a curve or surface converge.
*3. (uncountable) (photography, cinematography) The fact of the convergence of light on the photographic medium.
Unfortunately, the license plate is out of focus in this image.
*4. (uncountable) (photography, cinematography) The quality of the convergence of light on the photographic medium.
During this scene, the boy’s face shifts subtly from soft focus into sharp focus.
*5. (uncountable) concentration of attention.
I believe I can bring the high degree of focus required for this important job.
*6. (countable) the exact point of where an earthquake occurs, in three dimensions.
The earthquake's focus was at exactly 37 degrees north, 18 degrees south, seventy five meters below the ground.
