/awl"terr neuhnt, al"-/ or, esp. Brit., /awl terr"neuhnt, al-/ , adj.
1. alternating; alternate.
n.
2. Ling. a variant form that exists in alternation with another or others.
[ 1630-40; alternant- (s. of alternans, prp. of alternare ). See ALTERN, -ANT ]