1. 分开：decoder 译码器 | decollate 分开 | decompression 还原
2. 区分;分割：decoding 解码 | decollate 区分;分割 | decompile 反编译
3. 斩首：decohesion 检波器常态 | decollate 斩首 | decollation 杀头
4. 斩首/杀头：decollat /分表/分开/折散/ | decollate /斩首/杀头/ | decollation /杀头/断头/
verb
1. cut the head of
e.g. the French King was beheaded during the Revolution
Synonym: decapitate behead