The Collaborative International Dictionary
Focalizing
Focalize \Fo"cal*ize\, v. t. [imp. & p. p. Focalized; p. pr. & vb. n. Focalizing.] To bring to a focus; to focus; to concentrate.
Light is focalized in the eye, sound in the ear.
--De
Quincey.
Wiktionary
focalizing
vb. (present participle of focalize English)