ether

Diffiniadau

1. ether (a mystical substance formerly thought to fill the upper atmosphere, firmament, the sky, the heavens)
   feminine, literary, poetic, uncountable, usually
2. luminiferous aether (a substance formerly thought to fill all unoccupied space that allowed electromagnetic waves to pass through it and interact with matter, without interacting with them itself)
   feminine, historical, uncountable, usually
3. ether, diethyl ether (C₄H₁₀O)
   feminine, uncountable, usually
4. an ether (one of a class of organic compounds containing an oxygen atom bonded to two hydrocarbon groups)
   countable, feminine, usually

Cyfatebiaethau

Lefel CEFR