fungible

名词 fungible:

1. a commodity that is freely interchangeable with another in satisfying an obligation

形容词 fungible:

1. of goods or commodities; freely exchangeable for or replaceable by another of like nature or kind in the satisfaction of an obligation

fun.gi.ble

adj.（形容词）
Law Returnable or negotiable in kind or by substitution, as a quantity of grain for an equal amount of the same kind of grain.
【法律】 可代替的：以同类物或替代物形式归还的或磋商的，如一定数量的谷物可以用相同数量的同种谷物代替
Interchangeable.
可互换的
n.（名词）
Something that is exchangeable or substitutable. Often used in the plural.
代替物：可互换的或可替换的物品。常用复数形式

来源：
Medieval Latin fungibilis
中世纪拉丁语 fungibilis
from Latin fungo (vice) [to perform (in place of)]
源自 拉丁语 fungo (vice) [（代替…）执行]

【引伸】
fun.gibil.ity
n.（名词）