Designation:D4175−22StandardTerminologyRelatingtoPetroleumProducts,LiquidFuels,andLubricants1ThisstandardisissuedunderthefixeddesignationD4175;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1ThisterminologystandardcoversthecompilationofterminologydevelopedbyCommitteeD02onPetroleumProducts,LiquidFuels,andLubricants,exceptthatitdoesnotincludeterms/definitionsspecificonlytothestandardsinwhichtheyappear.1.1.1Theterminology,mostlydefinitions,isuniquetopetroleum,petroleumproducts,lubricants,andcertainproductsfrombiomassandchemicalsynthesis.Meaningsofthesametermsoutsideofapplicationstopetroleum,petroleumproducts,andlubricantscanbefoundinothercompilationsandindictionariesofgeneralusage.1.1.2Theterms/definitionsexistintwoplaces:(1)inthestandardsinwhichtheyappearand(2)inthiscompilation.1.2Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.Terminology2.1Alphabeticallistingoftermswithdefinitionsforeachtermshowingattributionsastosourceandsubcommitteejurisdictionisinboldprintfollowingthedefinition.ThoseshowingnoattributesareunderthejurisdictionofSubcommit-teeCS95.Acronyms,abbreviations,andsymbolsarelistedseparatelyin2.2,followingthedefinedterms.1,3-butadiene—hydrocarbonproductcontainingmorethan99%1,3-butadiene.[D02.D0]D5274abrasion,n—wearbydisplacementofmaterialcausedbyhardparticlesorhardprotuberances.[D02.96]D7684,D7690abrasivewear,n—wearduetohardparticlesorhardprotu-berancesforcedagainstandmovingalongasolidsurface.[D02.B0]D4998;[D02.L0]D5182DISCUSSION—Als...
