nonacid
adjective
non·ac·id ˌnän-ˈa-səd 
: nonacidic
nonacid foods
Word History
First Known Use
1818, in the meaning defined above
Medical Definition
nonacid
adjective
non·ac·id (ˈ)nän-ˈas-əd
: not acid : being without acid properties
a nonacid chemical group