Horizon

Pronunciation

• IPA: /həˈraɪzÉ™n/

Origin

From Old French orizon, via Latin, from Ancient Greek ὁρίζων, from ὅρος (horos, "boundary")

Full definition of horizon

Noun

1. The horizontal line that appears to separate the Earth from the sky.A tall building was visible on the horizon.
2. The range or limit of one's knowledge, experience or interest.Some students take a gap year after finishing high school to broaden their horizons.
3. (geology) A specific layer of soil or strata
4. (archaeology, US) A cultural sub-period or level within a more encompassing time period.

Synonyms

• (line separating Earth and sky) skysill, skyline

Derived terms

• archaeological horizon
• artificial horizon
• event horizon

Related terms

• horizontal