This is the 6386th most frequent Japanese word.
シリコン
Silicon.
The word 'シリコン' refers to the synthetic polymer material commonly used as a sealant or adhesive in manufacturing.
この製品の材料にはシリコンを使用しています。
We use silicone as a material in this product.
In this sentence, 'シリコン' refers to the chemical element silicon, which is a fundamental material in electronics.
電子機器の半導体にシリコンが不可欠です。
Silicon is essential for semiconductors in electronic devices.
Here, 'シリコン' is part of a proper noun referring to Silicon Valley, named after silicon used in semiconductor manufacturing.