Lava flows produced by eruptions under water are called pillow lavas. If the viscosity is high, but the gas content is low, then the lava will pile up over the vent to produce a lava dome or volcanic dome. Explosive Eruptions. Explosive eruptions are favored by high gas content & high viscosity magmas (andesitic to rhyolitic magmas).
Medical Definition of intelligence. 1  1a: the ability to learn or understand or to deal with new or trying situationsb: the ability to apply knowledge to manipulate one's environment or to think abstractly as measured by objective criteria (as tests) 2  2: mental acuteness.
Definition of intelligence test. : a test designed to determine the relative mental capacity of a person.