Air layering
a method of propagating a plant by girdling or cutting part way into a stem or branch and packing the area with a moist medium, as sphagnum moss, stimulating root formation so that the stem or branch can be removed and grown as an independent plant.
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- Air letter
an airmail letter. a sheet of very lightweight stationery for use in airmail. noun another name for aerogram (sense 1)
- Airlift
a system for transporting persons or cargo by aircraft, especially in an emergency. the persons or cargo so transported. the act or process of transporting such a load. a pump for raising liquids by the pressure of air forced into the pump chamber. to transport (persons or cargo) by airlift. of or relating to an […]
- Airlifter
a large aircraft specially designed to transport heavy cargo and to land on and take off from a relatively short runway.
- Airlight
light scattered or diffused in the air by dust, haze, etc., especially as it limits the visibility of distant, dark objects by causing them to blend with the background sky.
- Air-line
straight; direct; traveling a direct route: some railroads advertise air-line routes between stations. historical examples vogel’s suspicion of an air-line in the spectrum of vesta has, accordingly, not been confirmed. a popular history of astronomy during the nineteenth century agnes m. (agnes mary) clerke tupelo is about forty miles south of rienzi, on an air-line. […]