a. 无机的, 无生物的, 非自然形成的

[医] 无机的

Inorganic \In`or*gan"ic\, a. [Pref. in- not + organic: cf. F.
inorganique.]
1. Not organic; without the organs necessary for life; devoid
of an organized structure; unorganized; lifeness;
inanimate.

2. (Chem.) Of or pertaining to compounds that are not
derivatives of hydrocarbons; not organic[5].
[PJC]

Note: The term inorganic is used to denote any one the large
series of substances (as minerals, metals, etc.), which
are not directly connected with vital processes, either
in origin or nature, and which are broadly and
relatively contrasted with organic substances. See
{Organic}[5].

{Inorganic Chemistry}. See under {Chemistry}.