hepta-


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Related to hepta-: octo-, penta-

hepta-

(hep'tă),
Prefix denoting seven. Compare: septi-, sept-.
[G. hepta]

hepta-, hept-

prefix meaning "seven": heptachromic, heptadactylia, heptavalent.

hepta-

, hept-
Combining forms denoting seven.
Compare: septi-, sept-
[G. hepta]

hepta-

word element. [Gr.] seven.
References in periodicals archive ?
Of particular note is the observation that younger children have inherently higher porphyrin concentrations, particularly of uro-, hepta-, and coproporphyrins, which decline by as much as 2.
Apparent half-lives of hepta- to deca-brominated diphenyl ethers in human serum as determined in occupationally exposed workers.
Neonatal exposure to higher brominated diphenyl ethers, hepta-, octa-or nonabromodiphenyl ether, impairs spontaneous behaviour, and learning and memory functions of adult mice.
We used an HP6890 (gas chromatograph)--HP5973 (mass spectrometer) (Hewlett Packard) equipped with SP-2331 fused silica capillary column (60 pm internal diameter) to analyze tetra- to hexachlorinated PCDD/PCDFs, and a DB5 column (30 [micro]m internal diameter) to determine hepta- and octachlorinated isomers.