(redirected from Cumulene)
Also found in: Thesaurus, Encyclopedia, Wikipedia.


v. cu·mu·lat·ed, cu·mu·lat·ing, cu·mu·lates
1. To gather in a heap; accumulate.
2. To combine into one unit; merge.
To become massed.
Having cumulated or having been cumulated; heaped up or amassed.

[Latin cumulāre, cumulāt-, from cumulus, heap; see keuə- in Indo-European roots.]

cu′mu·la′tion n.


 a heap or pile; an accumulation.
Examples: cumulation of evidence, 1794; of prosperity, 1625.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cumulation - a collection of objects laid on top of each othercumulation - a collection of objects laid on top of each other
aggregation, collection, accumulation, assemblage - several things grouped together or considered as a whole
compost heap, compost pile - a heap of manure and vegetation and other organic residues that are decaying to become compost
muckheap, muckhill, dunghill, midden - a heap of dung or refuse
scrapheap - pile of discarded metal
shock - a pile of sheaves of grain set on end in a field to dry; stalks of Indian corn set up in a field; "corn is bound in small sheaves and several sheaves are set up together in shocks"; "whole fields of wheat in shock"
slagheap - pile of waste matter from coal mining etc
stack - an orderly pile
funeral pyre, pyre - wood heaped for burning a dead body as a funeral rite
woodpile - a pile or stack of wood to be used for fuel
stockpile - a storage pile accumulated for future use




nAnhäufung f, → Häufung f
References in periodicals archive ?
(4) Among his various contributions pertaining to the relationships between configurations of C atoms and various physical and chemical properties including chirality, optical activity, and so on, he predicted that [alpha],[omega]-di-, tri-, or tetrasubstituted cumulenes, i.e., [R.sup.1][R.sup.2]C=C=C=C=[sub.n-2]C[R.sup.3][R.sup.4], can be chiral and optically active in cases where the number of cumulating C=C, i.e.
Writing for researchers and technologists in organic, bio-organic, and polymer chemistry, especially those in proteomics or nanotechnology, Ulrich describes carbon and non-carbon cumulenes used in click reactions, among which are cycloadditon, dimerization, trimerization, and insertion reactions.