Definitions
the concentration of attention or energy on something
Used in a sentence
“The bacteriologist adjusted the focussing knob on the microscope.”
“At the time of the accident, the searchlight signals here were fitted with standard narrow-beam focussing, aimed at a train within 70yd of the signal.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Careful attention”9 letters
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