Definition of cladism in US English:

cladism

noun

Biology
  • See cladistics

    • ‘The two main methods for developing phylogenies in palaeontology are evolutionary systematics and phylogenetic systematics or cladism.’
    • ‘But to reject process cladism on the austere grounds of some idealised pattern cladist purity of inference is equally mistaken.’
    • ‘However, in two places I was surprised to find that the scientist - who earlier had exposed himself as a pronounced skeptic against pattern cladism - argues like a transformed cladist.’
    • ‘He also tried to characterize my enthusiasm for the theropod origin as ‘the zeal of new school cladism.’’
    • ‘They argue against cladism and are in favour of retaining the Linnean methodology.’

Pronunciation

cladism

/ˈklādˌizəm/