Matching Words
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Plutonism
- - The theory, early advanced in geology, that the successive rocks of the earth's crust were formed by igneous fusion; -- opposed to the Neptunian theory.
Plutonist
- - One who adopts the geological theory of igneous fusion; a Plutonian. See Plutonism.
Plutonium
- noun - a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239
Plyboards
- noun - a laminate made of thin layers of wood
Pneumatic
- adjective - of or relating to or using air (or a similar gas); "pneumatic drill"; "pneumatic tire"
Pneumato-
- - A combining form from Gr. pney^ma, pney`matos, wind, air, breath, respiration; as, pneumatograph, pneumatology.
Pneumonia
- noun - respiratory disease characterized by inflammation of the lung parenchyma (excluding the bronchi) with congestion caused by viruses or bacteria or irritants