aerogel
noun[CorU]
uk/ˈeə.rə.dʒel/us/ˈer.ə.dʒel/asolidmaterialthat issynthetic(=artificial, notfoundinnature), that has a verylowdensity(=massrelativetoitssize), and that is made byreplacingtheliquidin agelwith agas:
Whensolidified, aerogels make goodinsulationfor aspacecraftoraircraft.
Jacketslinedwith aerogel cankeepyouwarmintemperaturesof 50 below zero.
- Theydiscussedthepossibilityof using aerogels toinsulatecardoors.
- Aspartof her postdoctoralworkininorganicchemistryshebeganexperimentingwith aerogels.
- Onboardthespaceshuttle, aerogelcollectssamplesofcosmicdust.
- In the 1980s,physicsresearcherslearnedthatlargetilesofsilicaaerogel coulddetectradiation.
Chemistry: types of chemical
- acid salt
- alkali metal
- alkaline
- alkalinity
- alkyl
- carbohydrate
- dioxide
- dioxin
- inorganic
- melamine
- methyl orange
- monomer
- nitrogenous
- NOx
- pectin
- propellant
- reactant
- saline
- soluble
- sulphide