Trisilane

Part of speech: noun

Definitions

1. A chemical compound consisting of three silicon atoms bonded together with hydrogen atoms, typically used as a precursor in semiconductor and thin film productions
2. A silicon hydride molecule formed by a triatomic silicon chain with attached hydrogen, commonly employed in materials science for deposition processes
3. A discrete molecular substance composed of a trio of silicon atoms linked by covalent bonds and saturated with hydrogen, utilized in electronic manufacturing and chemical vapor deposition applications

Etymology: Trisilane is a chemistry coinage rather than a word with an ancient or folk history. It is built from "tri-", the Greek-derived prefix meaning "three", attached to "silane", the name for the family of silicon hydrides. Silanes are compounds of silicon and hydrogen, named by analogy with alkanes, the hydrocarbons whose names end in "-ane". Trisilane therefore names the silicon hydride with three silicon atoms in a chain, following the same pattern that gives "disilane" for two and "monosilane" for one. The "tri-" element comes from Latin and Greek numerical prefixes that chemists adopted systematically in the nineteenth and twentieth centuries to name compounds. The name for the parent silicon hydride, "silane", was formed the same way from "silicon" and the "-ane" ending, so the word is a transparent chain of formations rather than a story with a single coiner.

Synonyms: silicon hydride, Si3H8