as modifier Of or denoting an alkyl radical —C₁₀H₂₁, derived from decane.
- ‘One mole of decyl chloride is added slowly over a period of one hour.’
- ‘First, decyl alcohol had to be separated from the ethylene glycol, and the ethylene glycol separated from the water.’
Mid 19th century: from Greek deka- ‘ten’ + -yl.
We take a look at several popular, though confusing, punctuation marks.