met·a·pla·sia 
(mĕt′ə-plāzhə)
(mĕt′ə-plāzhə)n.
1. Normal transformation of tissue from one type to another, as in the ossification of cartilage to form bone.
2. Transformation of cells from a normal to an abnormal state.
met′a·plastic (-plăstĭk) adj.
- irreducible
- irreducibleness
- irreducibly
- irrefragability
- irrefragable
- irrefragably
- irrefrangible
- irrefrangibly
- irrefutability
- irrefutable
- irrefutably
- irreg.
- irregardless
- irregular
- irregular galaxy
- irregularity
- irregularly
- irrelative
- irrelatively
- irrelevance
- irrelevancy
- irrelevant
- irrelevantly
- irreligion
- irreligious