fossil

名词 fossil:

1. someone whose style is out of fashion
   同义词：dodo, fogy, fogey
2. the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil

形容词 fossil:

1. characteristic of a fossil

1. Coal is a fossil fuel.
   煤是一种矿物燃料。
2. He found a piece of fossil of an ancient bird.
   他发现一块古代鸟类的化石。

fos.sil

n.（名词）
A remnant or trace of an organism of a past geologic age, such as a skeleton or leaf imprint, embedded and preserved in the earth`s crust.
化石：埋置并保存于地层中的古生物遗体、遗物和其生活遗址，如骨骸、叶子的印痕等
One, such as a rigid theory, that is outdated or antiquated.
过时的或废弃的事物，如僵化的理论
Linguistics
【语言学】
A word or morpheme that is used only in certain restricted contexts, askempt in unkempt, but is otherwise obsolete.
旧词：只用于某种限定的上下文中的词或语素，如kempt in unkempt 。在别处已废弃不用
An archaic syntactic rule or pattern used only in idioms, asso be it.
古语法：一种只用于习语中的古体句法规则和句型，如so be it
adj.（形容词）
Characteristic of or having the nature of a fossil.
化石性的：化石性的，有化石特性的
Being or similar to a fossil.
类似化石的：化石的，类似化石的
Belonging to the past; antiquated.
过时的，陈旧的：属于过去的；废弃的

来源：
From Latin fossilis [dug up]
源自 拉丁语 fossilis [掘起，挖出]
from fossus [past participle of] fodere [to dig]
源自 fossus [] fodere的过去分词 [挖，掘（土）]