This is the 10762nd most frequent Russian word.
вспышка
Flash; outbreak; flare-up.
In this sentence, 'вспышка' refers to the flash used in photography, indicating a brief bright light used to illuminate the subject.
Фотограф сделал снимок с вспышкой.
The photographer took a picture with a flash.
Here, 'вспышка' signifies an outbreak or sudden occurrence, specifically referring to the rapid spread or increase of an event, like an infection.
Была зарегистрирована вспышка инфекции в городе.
An outbreak of infection was recorded in the city.
In this usage, 'вспышка' describes a sudden intense expression of emotion, particularly anger in this context.