say it: ree-JEN-ur-ay-shuhn
regeneration is a noun meaning "(biology) growth anew of lost tissue or destroyed parts or organs". It carries 4 recorded senses.
(biology) growth anew of lost tissue or destroyed parts or organs
biology
feedback in phase with (augmenting) the input
the activity of spiritual or physical renewal
forming again (especially with improvements or removal of defects); renewing and reconstituting
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for regeneration come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.