virtually
//ˈvɚ.t͡ʃə.wə.li//
Forms
- Comparative
- more virtually
- Superlative
- most virtually
Definitions
1.Almost but not quite.
2.In essence or functionally, but not in fact, formally, or technically.
3.Of a subgroup of finite index.
- In this case W has a diagram with 2 vertices and one edge labelled ∞, and is therefore the infinite dihedral group. Thus W is virtually ℤ.
- In this paper, we are mainly concerned with homogeneity in the class of finitely generated virtually free groups, i.e. finitely generated groups with a free subgroup of finite index.
4.Of a covering space of finite degree.
- Another class of small manifolds consists of those that are not virtually Haken (a manifold is virtually Haken if it is finitely covered by a Haken manifold).
- We call a hyperplane Y in a VH-complex X virtually clean if there exists a finite-sheeted covering map p : X̂ → X and a connected component Y ⊆ p⁻¹Y such that the hyperplane Ŷ of X̂ is clean.
Frequency
Overall
Uncommon· #2647
By learning goal
- Everyday conversation
- Rare
- General reading & writing
- Uncommon
- Academic
- Rare
- Literature
- Rare
Related words
Etymology
From Middle English vertually; equivalent to virtual + -ly.