Tel -

In biology and medicine, "tel-" (from the Greek telos , meaning "end") refers to telomeres , the protective caps at the ends of linear chromosomes. Corporate Summary - Tokyo Electron Ltd.

1. Tetraethyllead (TEL): The Rise and Fall of Leaded Gasoline In biology and medicine, "tel-" (from the Greek

"TEL" is a versatile abbreviation that appears in three major fields: industrial chemistry, high-tech manufacturing, and cellular biology. While it most famously refers to , a fuel additive that shaped the 20th century, it is also the global brand for Tokyo Electron Limited and a foundational prefix in the science of telomeres . Tetraethyllead (TEL): The Rise and Fall of Leaded

TEL manufactures the complex machinery required to create integrated circuits, flat-panel displays, and photovoltaic cells. They hold dominant market shares in critical processes like Coater/Developers , etching, and thermal processing. They hold dominant market shares in critical processes

In the world of technology, TEL refers to Tokyo Electron Limited , a Japanese multinational and the world’s fourth-largest manufacturer of semiconductor production equipment as of 2025.

TEL is a potent neurotoxin. Decades of its use released millions of tons of lead into the atmosphere, which was later linked to millions of excess deaths, significant IQ loss in children, and increased crime rates.