Definition of tax deferral: Paying taxes in the future for income earned in the current year, such as through an IRA, 401(k), SEP IRA or Keogh Plan. Definition of tax deferral: Paying taxes in the future for income earned in the current year, such as through an IRA, 401(k), SEP IRA or Keogh Plan. Home Articles
glide ratio. The ratio of the forward distance traveled to the vertical distance an aircraft descends when gliding without any power.Also called a gliding ratio.lide ratio. The ratio of the forward distance traveled to the vertical distance an aircraft descends when gliding without any power.
Note: The wing area is NOT the total surface area of the wing. The total surface area includes both upper and lower surfaces. The wing area is a projected area and is almost half of the total surface area. The aspect ratio (AR) of a wing is defined to be the square of the span (s)divided by the wing area (A). Aspect ratio is a measure of how long and slender a wing is from tip to tip. For a rectangular wing, this reduces to the ratio of the span to the chord length (c): AR = s^2 / A = s^2 / (s * c) = s / c High aspect ratio wings have long spans (like high performance gliders), while low aspect ratio wings have either short spans or thick chords (like the Space Shuttle).