Talk about focussing on the unimportant. Give your head a shake, Google.

Two is the principal square root of 4. Both −2 and +2 are square roots of 4.

When the colonel has given the signal for the music to beat time, he will give the caution for the movement as above; and the lieutenant colonel will immediately give the word to the right wing to mark time.

The house whirled around two or three times and rose slowly through the air. Dorothy felt as if she were going up in a balloon.