noun
middle layer; medium depth; middle part
Refers to a middle stratum or level in a physical or abstract stack, such as water depth, soil, atmosphere, or organizational layers. The botanical term 'middle lamella' is a specialized use.
この湖の中層には特定の魚が生息している。
Certain fish inhabit the middle layer of this lake.
大気の中層で気温が急に下がった。
The temperature dropped sharply in the middle layer of the atmosphere.
noun which may take the genitive case particle 'no'
mid-level; medium-rise; medium-size
Used attributively (often with の) to describe buildings, structures, or categories of medium height or scale. Common in architectural and urban planning contexts.
この地域には中層マンションが多い。
There are many mid-rise apartment buildings in this area.
中層の建物は低層と高層の間に位置する。
Mid-rise buildings are situated between low-rise and high-rise structures.