horizonとは

意味・読み方・使い方

発音

• IPA^(key): /həˈɹaɪ.zən/

名詞

horizon (複数形 horizons)

1. The visible horizontal line or point (in all directions) that appears to connect the Earth to the sky.

   Synonyms: skysill, skyline

   A tall building was visible on the horizon.

2. (figuratively) The range or limit of one's knowledge, experience or interest; a boundary or threshold.

   Some students take a gap year after finishing high school to broaden their horizons.

   With clinical researchers hard at work, a new treatment is on the horizon.

   • 1997, Eduardo Galeano, Open Veins of Latin America: Five Centuries of the Pillage of a Continent, Monthly Review Press, page 38:

     The Indians of the Americas totaled no less than 70 million when the foreign conquerors appeared on the horizon; a century and a half later they had been reduced to 3.5 million.

3. The range or limit of any dimension in which one exists.
   • 2003, Miguel de Beistegui, Thinking with Heidegger: Displacements, →ISBN, page 157:

     Only mortality, this irreducible and primordial horizon, that very horizon which, in Being and Time, Heidegger so compellingly revealed as the unsurpassable and defining possibility, remains.

4. (geology) A specific layer of soil or strata
5. (archaeology, chiefly US) A cultural sub-period or level within a more encompassing time period.
6. Any level line or surface.
7. (chess) The point at which a computer chess algorithm stops searching for further moves.

派生語

• archaeological horizon
• artificial horizon
• event horizon
• radar horizon

関連する語

• horizontal
• aorist

参考

• vertical

Further reading

• horizon on Wikipedia.

Latin

語源

From Ancient Greek ὁρίζων (horízōn).

発音

• (Classical) IPA^(key): /hoˈriz.zoːn/, [hɔˈɾɪz̪d̪͡z̪oːn]
• (Ecclesiastical) IPA^(key): /oˈrid.d͡zon/, [ɔˈrid̪ː͡z̪ɔn]

名詞

horizōn m (genitive horizontis); third declension

1. horizon

語形変化

Third-declension noun (non-Greek-type または Greek-type, variant with nominative 単数形 in -ōn).

派生した語