As it goes about placing words along a line, LaTeX might automatically break a word across two lines by adding a hyphen between the two pieces of the word. This is called hyphenation. It might not be desirable to hyphenate certain words, like a name for example.
Hyphenation of a particular word can be prevented by enclosing that word in a
\mbox command. This command creates an invisible box around its parameter. Since a box cannot be broken across lines, this forces LaTeX to place that word on a single line.
For example, if LaTeX is breaking the word
abracadabra across two lines, replace it with
Reference: Preventing line breaks from Section 2.2.1 of LaTeX by Leslie Lamport