911

[ nahyn-wuhn-wuhn, nahyn-i-lev-uhn ]

/ ˈnaɪnˌwʌnˈwʌn, ˈnaɪn ɪˈlɛv ən /

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(in the United States and Canada) the telephone number used to reach emergency medical, fire, and police services.

QUIZ

CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?

Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

TAKE THE QUIZ TO FIND OUT

Origin of 911

First recorded in 1965–70

Words nearby 911

606, 78, “800” number, 8d, 900 number, 911, 988, a, A1, A1c, A2

Other definitions for 911 (2 of 2)

9/11

or 9-11

[ nahyn-i-lev-uhn ]

/ ˈnaɪn ɪˈlɛv ən /

September 11, 2001: the day on which Islamic terrorists, believed to be part of the Al-Qaeda network, hijacked four commercial airplanes and crashed two of them into the World Trade Center in New York City and a third one into the Pentagon in Virginia: the fourth plane crashed into a field in rural Pennsylvania.

Also called nine-eleven .

Origin of 9/11

First recorded in 2000–05

Cultural definitions for 911

9-11

See September 11 attacks.