aa channel

aa channel

[ä′ä ′chan·əl]
(geology)
A narrow, sinuous channel in which a lava river moves down and away from a central vent to feed an aa lava flow.
References in periodicals archive ?
ITV1 GRANADA AA CHANNEL 4 The Wonderful Wizard of Oz: The Making of a Movie Classic (2.40pm) Examines the extraordinary success of 1939 musical The Wizard of Oz.
Aa Channel 10, a television station, quoted an officer from Battalion 501 of the Golani Brigade saying: "No troop member from the 501 battalion is to be kidnapped at any cost, nor in any situation, even if this means blowing up a grenade in his possession, killing himself and those trying to kidnap him." Aa An officer from the Givati Brigades was also quoted, citing the Hannibal procedure, adding: "We will not have two Gilad Shalits at any price." Aa During Operation Cast Lead, Hamas claimed that it had captured soldiers on two occasions but that the Israeli army had killed the Hamas fighters and soldiers in aerial attacks.