interstitial fluid interstitial cell-stimulating hormone • interstitially · · · Info · Definitions · Characters · · interstitial fluid · · Text Common · · Latin · · Scripts 18 · · Length 6 · · Syllables Definitions · · · (noun) liquid found between the cells of the body that provides much of the liquid environment of the body. Synonyms: interstitial fluid. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075