(rhetoric) a formal or authoritative address that advises or exhorts

relating to cross-fertilization in plants

tissue or organ transplanted from a donor of the same species but different genetic makeup; recipient's immune system must be suppressed to prevent rejection of the graft

tissue or organ transplanted from a donor of the same species but different genetic makeup; recipient's immune system must be suppressed to prevent rejection of the graft

a variant form of a grapheme, as `m' or `M' or a handwritten version of that grapheme

a variant form of a grapheme, as `m' or `M' or a handwritten version of that grapheme

(chemistry) variability in chemical composition without variation in crystalline form

(chemistry) variability in chemical composition without variation in crystalline form

(chemistry) variability in chemical composition without variation in crystalline form

(chemistry) variability in chemical composition without variation in crystalline form