heptaan التعريفات والمعاني == Dutch == === Etymology === From hept- + -aan. === Pronunciation === IPA(key): /ɦɛpˈtaːn/ Hyphenation: hep‧taan Rhymes: -aːn === Noun === heptaan n (uncountable, no diminutive) (organic chemistry) heptane شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة heptaani heptaanihappo hepta- heptagon heptagonal heptan heptarchy heptathlete heptane