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(fù)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(xué)】 病毒轉(zhuǎn)移：病原微生物或癌細(xì)胞從原來位置向身體別處的一個(gè)或多個(gè)位置的轉(zhuǎn)移，通常通過血管或淋巴管來進(jìn)行
A secondary cancerous growth formed by transmission of cancerous cells from a primary growth located elsewhere in the body.
轉(zhuǎn)移瘤：繼發(fā)性癌腫，由從生長(zhǎng)在身體別處的初期癌腫轉(zhuǎn)移來的癌細(xì)胞形成

來源：
Greek
希臘語
from methistanai [to change]
源自 methistanai [轉(zhuǎn)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）