blackspotとは 意味・読み方・使い方

名詞

blackspot (countable and uncountable, plural blackspots)

1. Alternative form of black spot.
   • 2020 August 12, “Network News: Funding counters signal blackspots”, in Rail, page 14:

     Secretary of State for Transport Grant Shapps has announced £200,000 funding towards research into developing a mobile telephone antenna prototype for rail gantries. If successful, the antenna could be installed on overhead line equipment gantries and help eliminate signal blackspots across the rail network.

派生語

関連する語

アナグラム

• black tops, black-tops, blacktops, postblack

名詞

black spot (countable and uncountable, plural black spots)

1. (phytopathology, uncountable) A fungal disease among plants, particularly roses, that results in black spots on the leaves.
   • 2006, Mary Moody, Mary Moody's Roses, Allen & Unwin, →ISBN, page 20:

     In areas where black spot is only a problem after heavy rain or later in the season, restrict spraying to these times, or if yellowing or spotted foliage is detected.

2. (transport) A section of roadway that has been designated as being particularly accident-prone.

   Synonym: accident blackspot

   • 2019, Will Birch, Cruel To Be Kind: The Life and Music of Nick Lowe‎, Hachette UK, →ISBN:

     Indian Queens is a hamlet just off the A30, a well-known traffic black spot, and Yellowknife was Margo Kidder's hometown in Canada.

3. (by extension) A dangerous place or area.
4. (telecommunications) A location with poor radio signal reception, e.g. for mobile phones.
   • 2013, Judith Cutler, Life Sentence‎, Allison & Busby, →ISBN:

     What if—like so many rural parts of the county—this was a mobile black spot? That was easily tested. No, she had no problem dialling her own home number.

5. (figurative) A subject or area about which little or no information is available.

   Near-synonyms: black hole, blind spot

   • 2003, Andreas Kappeler, “The Russian Empire and Its Nationalities in Post-Soviet Historiographies”, in Hayashi Tadayuki, editor, The Construction and Deconstruction of National Histories in Slavic Eurasia, Sapporo: Slavic Research Center, Hokkaido University, →ISBN, page 38:

     Historians began to reanimate elements of the national historical memory partially destroyed by Soviet power. The closed book-shelfs and archives were (at least partially) opened, and “black spots” and taboos could now be tackled by national historians.

6. (fiction) A fictional judicial device among pirates, consisting of a black circle indicating condemnation.
   • 1881–1882, Robert Louis Stevenson, Treasure Island, London; Paris: Cassell & Company, published 14 November 1883, →OCLC, part I (The Old Buccaneer), page 31:

     I went down on my knees at once. On the floor close to his hand there was a little round of paper, blackened on the one side. I could not doubt that this was the black spot; and taking it up, I found written on the other side, in a very good, clear hand, this short message: “You have till ten to-night.”

7. (snooker) The spot on a snooker table where the black ball is normally placed.

派生語

• citrus black spot

Further reading

• black spot on Wikipedia.Wikipedia
• black spot leaf disease on Wikipedia.Wikipedia
• accident blackspot on Wikipedia.Wikipedia

アナグラム

• black tops, black-tops, blacktops, postblack