PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations|materials technology · SCIENCE|natural and applied sciences|earth sciences
- ábhar fuaimiúil Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- fuaimábhar Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- acoustic material
- en
- Definition a soft or aerated nonmetallic material,lightly bound or bonded to form a soft absorbent coating or fabricated slab for the purpose of eliminating echoes Reference Multilingual Aeronautical Dictionary(AGARD,1980)