英和和英

語源

From hot +‎ bed.

発音

名詞

hotbed (plural hotbeds)

1. A low bed of earth covered with glass, and heated with rotting manure, used for the germination of seeds and the growth of tender plants, like a miniature hothouse.

   Coordinate terms: cold frame; cloche

   Near-synonym: hotbox

   • 1924, Erval Jackson Newcomer, M. A. Yothers, Warren Draper Whitcomb, Control of the Codling Moth in the Pacific Northwest, page 11:

     Tomato seedlings will be ready to transplant from the hotbed to the coldframe in 12 to 18 days after sowing the seed, depending upon the amount of sunshine and the care given the bed.

2. (by extension) An environment that is ideal for the growth or development of something, especially of something undesirable.

   Synonym: seedbed

   • 2020 August 12, Nigel Harris, “Comment: Rail at the brink? Not yet...”, in Rail, page 3:

     The problem faced by Government and railway alike is the dreadful legacy of the 'stay home' policy which has left millions of people fearing that trains are a hotbed of infection to be avoided like the... well, do I have to say it?!

   • 2023 May 18, Reuters, “Chipmakers look to Japan as worries about China grow”, in CNN Business‎:

     In particular, Kumamoto prefecture in southwestern Japan is quickly becoming a hotbed for tech investment from companies including TSMC and Fujifilm Holdings Corp (FUJIF).

3. An iron platform in a rolling mill, on which hot bars, rails, etc., are laid to cool.

参考

• breeding-ground
• nidus

名詞

hot bed (plural hot beds)

1. (biology) A mass of organic matter decomposing and giving off heat from microbial metabolic action.
2. (horticulture) A garden bed using such a heat-generating mass; a hotbox.
3. (figuratively, by extension) A central point of activity, relating to a specific task.
4. A bed shared by workers, sailors, or soldiers operating in shifts or watches (named for the idea that it is still warm when the next occupant gets into it).
5. (3D printing) A heated print bed, so as to help the lower levels of extruded filament stick together.

動詞

hot bed (third-person singular simple present hot beds, present participle hot bedding, simple past and past participle hot bedded)

1. (transitive) To share sleeping accommodations with one or two others serially (in shifts), as on a ship or a submarine or other operation with round-the-clock staffing.

   Synonyms: hot bunk, hot rack

   The crew of the submarine quickly got used to hot bedding.

2. (agriculture, transitive) To farm using hotbeds for season extension.

Further reading

• hot bed on Wikipedia.Wikipedia