英和和英

動詞

steam up (third-person singular simple present steams up, present participle steaming up, simple past and past participle steamed up)

1. To become steamy.
2. To become coated with condensation.

   Synonym: fog up

   The bathroom mirror steamed up when he opened the shower door.

   • 1953 July, Allen Rowley, “First Impressions of American Railways”, in Railway Magazine, page 493:

     The large plateglass window, from which I had an excellent view of the countryside the following day, was prevented from steaming up by a de-misting device.

3. (transitive) To bring (a steam boiler) up to working steam pressure: to build up a head of steam inside (a boiler).

   It takes about an hour to steam up the locomotive.

4. (intransitive) to build up a head of steam.

   Engine 99 had been steaming up since 21:00.

   • 1919, Joseph Conrad, Typhoon, page 8:

     "The master of the Nan-Shan [...] desired Mr. Rout to have steam up to-morrow afternoon at one o'clock sharp."

5. (transitive) To cook by steaming.

   I'll steam up a bunch of dumplings.