plastic sulphur
(US plastic sulfur) Chemistry
noun
An amorphous allotrope of sulphur consisting of long tangled chains of sulphur atoms, produced by the sudden cooling of molten sulphur to a solid state.
Origin
Mid 19th century; earliest use found in Thomas Graham (1805–1869), chemist.
- out of touch
- out-of-town
- out-of-towner
- out of true (or the true)
- out of truth
- out of turn
- out of whack
- out of work
- out on a limb
- out (or down) for the count
- out-over
- outpace
- out-paint
- outparcel
- out-parish
- outpart
- outpass
- outpatient
- out-pension
- outpensioner
- outperform
- outperformance
- outperformer
- outpitch
- out-place