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Webster 1913 Edition

Symplectic

Sym-plec′tic

,
Adj.
[Gr. [GREEK] plaiting together, fr. [GREEK] to plait together.]
(Anat.)
Plaiting or joining together; – said of a bone next above the quadrate in the mandibular suspensorium of many fishes, which unites together the other bones of the suspensorium.
–
Noun.
The symplectic bone.

Definition 2024

symplectic

symplectic

English

Adjective

symplectic ‎(not comparable)

  1. (mathematics) Describing the geometry of differentiable manifolds equipped with a closed, nondegenerate 2-form

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References

Etymology

Calque of complex, by Hermann Weyl. Complex comes from the Latin complexus ‎(“braided together”) (from com- ‎(“together”) + plectere ‎(“to weave, braid”)), while symplectic comes from the corresponding Ancient Greek sym-plektos (συμ ‎(sum), variant of σύν ‎(sún) + πλεκτικός ‎(plektikós), from πλέκω ‎(plékō)). In both cases the suffix comes from Proto-Indo-European *plek-.

Previously, the “symplectic group” had been called the “line complex group”.

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