non·triv·i·al 
(nŏn-trĭvē-əl)
(nŏn-trĭvē-əl)adj.
1. Not trivial; of some importance.
2. Mathematics Of, relating to, or being an expression in which at least one variable is not equal to zero.
- austerity
- Austerlitz
- Austin
- Austin
- Austin
- Austin
- Austl.
- austral
- Australasia
- Australasian
- Australia
- Australian
- Australian Alps
- Australian ballot
- Australian cattle dog
- Australian crawl
- Australian kelpie
- Australian pine
- Australian shepherd
- Australian terrier
- Austral Islands
- Australoid
- australopith
- australopithecine
- Australopithecus