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.
Learner's definition of PSYCHOLOGY. 1. [noncount] : the science or study of the mind and behavior. She studied psychology in college. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples. 2. : the way a person or group thinks. [noncount]. the psychology of an athlete.mob psychology.earner's definition of PSYCHOLOGY. 1. [noncount] : the science or study of the mind and behavior. She studied psychology in college. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples. 2. : the way a person or group thinks. [noncount]. the psychology of an athlete.