(Australia, Britain, New Zealand, derogatory) The first, sparse beard growth of an adolescent.

Resembling or characteristic of a zombie.

(algebra, ring theory) Given a commutative ring R, any ideal I such that for any a,b ∈ R, if ab ∈ I then either b ∈ I or aⁿ ∈ I for some integer n > 0.

(anatomy, pathology) Relating to, or affecting the bronchioles