but-
pref.（前缀）
语源
pref.（前缀）
- Containing a group of four carbon atoms:
丁：包含四个碳原子团的：
butyl.
丁基
语源
- From butyric
源自 butyric
but-
1
a combining form meaning “containing a group of four carbon atoms,” used in the formation of compound words:
butene.
Related Word
- piperonyl butoxide
but-
combining form
or buto-
Etymology: International Scientific Vocabulary, from butyric
: containing a group of four carbon atoms
< butane >
< butene >
< butopyronoxyl >
or buto-
< butane >
< butene >
< butopyronoxyl >
but-
Prefix
- organic chemistry Used as a combining form to denote the presence of 4 carbon atoms in the parent chain when forming names of organic compounds.
Etymology
from butyl