nonmetal
(chemistry) An element, such as phosphorus or chlorine, that does not have the chemical or physical properties of a metal.
Addressed to the understanding.
of, or relating to, the troposphere.
(law) The age at which the rights and privileges of an adult are legally granted or recognized; i.e.; the age where a person ceases to be a minor legally and becomes a legal adult.
酸素は重要な非金属であり、燃焼や呼吸において重要な役割を果たします。
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