nonconstant
adjective
non·con·stant ˌnän-ˈkän(t)-stənt 
: not constant
nonconstant acceleration
especially : having a range that includes more than one value
a nonconstant mathematical function
nonconstantly adverb
Word History
First Known Use
1854, in the meaning defined above
- schoolies
- schooling
- schoolingly
- schoolings
- schoolish
- schoolkeeper
- schoolkid
- schoolkids
- schooller
- schoolless
- schoollest
- schoolma'am
- schoolmaids
- schoolman
- schoolmans
- schoolmarm
- schoolmarmish
- schoolmarms
- schoolmaster
- schoolmastered
- schoolmasterhood
- schoolmastering
- schoolmasterish
- schoolmasterly
- schoolmasters