syntactic foam
Materials Sci.
noun
A strong, lightweight composite material consisting of small hollow spheres of glass, ceramic, resin, etc., dispersed in a solidified matrix of another substance.
Origin
1950s; earliest use found in Rubber Age.
- overhard
- over-hardened
- over-hardness
- over-harsh
- over-harshly
- over-harshness
- overharvest
- overharvesting
- over-haste
- overhastened
- overhastily
- over-hastiness
- overhasty
- overhaul
- overhauler
- Overhauser effect
- overhead
- overhead camshaft
- overhead locker
- overhead projector
- overhead transparency
- overhead valve
- overheap
- overhear
- overhearer