• WordNet 3.6
    • adj acyclic having an open chain structure
    • adj acyclic not cyclic; especially having parts arranged in spirals rather than whorls
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Webster's Revised Unabridged Dictionary
    • a Acyclic (Bot) Not cyclic; not disposed in cycles or whorls
    • ***
Century Dictionary and Cyclopedia
    • acyclic In botany, not cyclic; not arranged in whorls. Applied by Braun to flowers that have a spiral arrangement of parts, when the spiral turns made by each class of organs are not all complete, iu distinction from hemicyclic, where all are complete.
    • acyclic In dynamics, not having the property of whirling or moving in circles.
    • acyclic Irregular in course; not occurring with normal periodicity.
    • acyclic In chem., containing no cycle or ring: said of organic compounds which contain no ring of atoms.
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Webster's Revised Unabridged Dictionary
Pref. a-, not + cyclic,


In news:

However, previous results do not address the important classes of stratified programs and its subclass of acyclic (i.e.

In science:

It follows that G is acyclic; i.e., it is a dag.
Conditional Plausibility Measures and Bayesian Networks
The kernel of β is C∗ (∆i \ {xi}; E )/C∗(δi ; E ), which is acyclic as δi ֒→ ∆i \ {xi} admits an evident homotopy retract.
Homology for irregular connections
As in the previous lemma, C∗ (W \ {0}) is acyclic.
Homology for irregular connections
In these terms they are fairly flexible: Corollary 1.5, for instance, generalizes the theorem of Huck [H] that any two acyclic 2-complexes can be (up to 2-deformation) dually embedded in S 4 .
Dual 2-complexes in 4-manifolds
Causal sets Causal set (see short review ) V , that is a partially-ordered set with relation ≤, satisfying transitivity, reflexivity and acyclicity (if x ≤ y and y ≤ x then x = y ).
Gibbs and Quantum Discrete Spaces