English Dictionary

crucible

IPA（発音記号）

/ˈkɹuː.sɪ.bəl/

名詞

比喩的用法

(chemistry) A cup-shaped piece of laboratory equipment used to contain chemical compounds when heating them to very high temperatures.

日本語の意味

実験用の坩堝：化学実験において、高温に耐えられるよう設計されたカップ型の耐火容器。

The chemist carefully placed the sample into a crucible before heating it in the furnace.

化学者は試料を注意深く坩堝（るつぼ）に入れて、炉で加熱した。

意味（1）

(chemistry) A cup-shaped piece of laboratory equipment used to contain chemical compounds when heating them to very high temperatures.

In one corner of the closet was a very small furnace, with a glowing fire in it, and on the fire a kind of duplicate crucible—two crucibles connected by a tube. One of these crucibles was nearly full of lead in a state of fusion, but not reaching up to the aperture of the tube, which was close to the brim.

意味（2）

A heat-resistant container in which metals are melted, usually at temperatures above 500°C, commonly made of graphite with clay as a binder.

意味（3）

The bottom and hottest part of a blast furnace; the hearth.

意味（4）

(figuratively) A very difficult and trying experience, that acts as a refining or hardening process.

Coordinate term: trial by fire

crucibles （ plural ）