cacogenics

Từ điển Oxford Learners Wordfinder Dictionary

noun

the study of the operation of factors causing degeneration in the type of offspring produced
• Syn:
dysgenics
• Ant:
eugenics (for: dysgenics)
• Derivationally related forms:
cacogenic, dysgenic (for: dysgenics)
• Hypernyms:
life science, bioscience