TERMIUM Plus®

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CUMULATIVE DOUBLE BONDS [1 record]

Record 1 2002-01-15

English

Subject field(s)
  • Chemistry
DEF

[Bonds] present in a chain [or a cycle and] in which at least three contiguous carbon atoms are joined by double bonds ...

OBS

Non-cumulative double bonds comprise every other arrangement of two or more double bonds in a single structure. The generic name "cumulene" is given to compounds containing three or more cumulative double bonds.

OBS

Compare with "isolated double bonds."

Key term(s)
  • cumulative double bond

French

Domaine(s)
  • Chimie
DEF

[...] doubles liaisons présentes dans une chaîne [ou dans un cycle et qui comportent] au moins trois carbones contiguës liés par des doubles liaisons [...]

OBS

L'expression doubles liaisons non cumulées comprend toutes les autres dispositions de deux ou de plusieurs doubles liaisons telle qu'aucune d'entre elles ne soit cumulée. Le nom générique de «cumulène» est donné aux composés contenant plus de deux doubles liaisons cumulées.

OBS

Voir aussi «doubles liaisons isolées».

Key term(s)
  • double liaison cumulée

Spanish

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