Hypertext Webster Gateway: "visualise"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Visualize \Vis"u*al*ize\, v. t.
To make visual, or visible; to see in fancy. [Written also
{visualise}.]
No one who has not seen them [glaciers] can possibly
visualize them. --Lubbock.
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