Definition of nucleiform in English:

nucleiform

adjective

  • 1Having the form of a nucleus or kernel; of a rounded shape. Also (Botany: (especially of the apothecia of certain lichens) globose. Now rare.

  • 2Archaeology. Designating a type of prehistoric stone tool, usually with a rounded working edge, which resembles a knapped core.

Origin

Mid 19th century; earliest use found in Benjamin Smart (d. 1872), elocutionist and grammarian. From nucleus + -iform.

Pronunciation

nucleiform

/ˈnjuːklɪɪfɔːm//njuːˈkleɪɪfɔːm/