名詞 metastasis:

1. the spreading of a disease to another part of the body
2. the organic processes (in a cell or organism) that are necessary for life
   同義詞：metabolism, metabolic process

me.tas.ta.sis

n.（名詞）
【復數(shù)】 me.tas.ta.ses[-sôz.]
Pathology Transmission of pathogenic microorganisms or cancerous cells from an original site to one or more sites elsewhere in the body, usually by way of the blood vessels or lymphatics.
【病理學】 病毒轉移：病原微生物或癌細胞從原來位置向身體別處的一個或多個位置的轉移，通常通過血管或淋巴管來進行
A secondary cancerous growth formed by transmission of cancerous cells from a primary growth located elsewhere in the body.
轉移瘤：繼發(fā)性癌腫，由從生長在身體別處的初期癌腫轉移來的癌細胞形成

來源：
Greek
希臘語
from methistanai [to change]
源自 methistanai [轉變]
meta- [meta-]
meta- [前綴，表.變化，變換.]
histanai [to cause to stand, place] * see st3-
histanai [使站立，放置] *參見 st3-

【引伸】
met.astat.ic
met.astat.ically
adv.（副詞）