METASOME
Met"a*some, n. Etym: [Pref. meta- + -some body.] (Zoöl.)

Defn: One of the component segments of the body of an animal.

METASTANNATE
Met`a*stan"nate, n. (Chem.)

Defn: A salt of metastannic acid.

METASTANNIC
Met`a*stan"nic, a. (Chem.)

Defn: Pertaining to, or designating, a compound of tin (metastannic acid), obtained, as an isomeric modification of stannic acid, in the form of a white amorphous substance.

METASTASIS
Me*tas"ta*sis, n.; pl. Metastases. Etym: [L., transition, fr. Gr.

1. (Theol.)

Defn: A spiritual change, as during baptism.

2. (Med.)