The asthenosphere is a part of the upper mantle just below the lithosphere that is involved in plate tectonic movement and isostatic adjustments.n the old oceanic mantle the transition from the lithosphere to the asthenosphere, the so-called lithosphere-asthenosphere boundary (LAB) is shallow (about 60 km in some regions) with a sharp and large velocity drop (5-10%).
direct delivery. Consignment in which the delivery documents (such as a bill of lading) are sent directly to the consignee, without using an intermediary such as a bank.
Directly communicated: a pipeline review. noun. A channel of communication, esp a direct and special one: You'd think he has a pipeline to Jesus (1921+) A channel or course for routine production, processing, etc: We'll have fewer men in what we call the ''pipeline'' who are moving (1955+)