free-air correction
[ frē′âr′ ]
Save This Word!
A compensation factor used in gravitational surveys that takes into account the decrease in the force of gravity with increasing altitude, assuming only air intervenes between the observer and sea level. It is equal to -0.3086 mGal per meter above sea level. Also called Faye Correction Compare Bouguer correction.
QUIZ
QUIZ YOURSELF ON "WAS" VS. "WERE"!
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.
Words nearby free-air correction
Fredric, Fredrikstad, free, free agent, free air, free-air correction, free alongside ship, free and clear, free and easy, free as a bird, free ascent
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.