unfluorinated
Lacking fluorine atoms
Unfluorinated describes something that has not been treated with fluorine or fluoride compounds.
The term appears most often in discussions of water treatment, where unfluorinated water lacks the added fluoride found in many public water supplies: Some parents seek out unfluorinated bottled water for their infants.
Also used for chemicals, particularly alternatives to fluorinated compounds in nonstick coatings and firefighting foams.
Not given care
- naturalNot artificially produced
- unalteredNot modified whatsoever
- pristinePure and untouched
- uncontaminatedFree from impurities
unpolluted · unadulterated · virgin · unprocessed · unmodified · original · native · pure
All-carbon-and-hydrogen compound
- alkaneSaturated hydrocarbon series
- alkeneDoubly-bonded carbon compound
- alkyneTriple-bonded carbon compound
- carbonSixth element, atomic symbol C
hydrogen · methane · ethane · propane · butane · saturated · unsaturated · polymer
Not harmful if consumed
- biocompatibleAccepted by living tissue
- nonhazardousPosing no risk
- safeFree from peril
- benignNot harmful or threatening
harmless · ecofriendly · green · sustainable · noncarcinogenic · biodegradable
untreated
Not given care
uncontaminated · unpolluted · unadulterated · virgin · unprocessed · unmodified · original · native · pure · additive-free
hydrocarbon
All-carbon-and-hydrogen compound
- alkaneSaturated hydrocarbon series
- alkeneDoubly-bonded carbon compound
- alkyneTriple-bonded carbon compound
carbon · hydrogen · methane · ethane · propane · butane · saturated · unsaturated · polymer · monomer
nontoxic
Not harmful if consumed
- biocompatibleAccepted by living tissue
- nonhazardousPosing no risk
- safeFree from peril
benign · harmless · ecofriendly · green · sustainable · noncarcinogenic · biodegradable