ケイ素 です
keisodesu
1. Silicon is.
Noun
#166883
1. Silicon is.
1. silicon (Si)
1. silicon dioxide; silica
1. measuring instrument; instrumentation
1. measured value; measurement
1. disputed area; contested land
1. silicon carbide (SiC)
1. criminal action
2. Code of Criminal Procedure
1. Code of Criminal Procedure
1. silicon nitride