air-to-surface

[ air-tuh-sur-fuhs ]

/ ˈɛər təˈsɜr fəs /

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adjective

operating or directed from a flying aircraft to the surface: air-to-surface missiles.

adverb

from a flying aircraft to the surface of the earth: They released the rockets air-to-surface.

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.

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Also called air-to-ground

[air-tuh-ground]. /ˈɛər təˈgraʊnd/.

Origin of air-to-surface

First recorded in 1955–60

Words nearby air-to-surface

air taxi, air terminal, airtight, airtime, air-to-air, air-to-surface, air traffic, air-traffic control, air-transportable, airtsy-mairtsy, air turbine