The Emergence Machine

Reef

physical · Geography · Level 15 · E0

E0Spacetime

Each concept here is mapped to its prerequisites — the ideas you'd need first to understand it — all the way down to four foundations: Space, Time, Energy, Pattern. Click any prerequisite to drill down, or scroll for the chain graph.

Trace. Question. Emerge.

Emergence definition

A reef is a ridge of rock, coral, or sand just above or below the surface of the sea, often forming a barrier to navigation, which requires a more fundamental understanding of the formation and characteristics of coral.

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Wiktionary senses

External reference — all senses of the word “reef” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.

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Source: Wiktionary — “reef”. Content available under CC BY-SA 4.0.

Historical origin

Origin word
reef
Origin language
English

Prerequisite chain

Possible path of this concept down to the fundamental substrate.

thisfoundationsL15L14L13L12L4L2L1L0ReefCoralCalcium CarbonateCompoundRidgeRockCalciumOcean… intermediate l…FormLandLifeLiquidActionChangeMatterMotionEnergyPatternSpaceTimeE1 concrete → E14 abstract

Neighborhood

Direct prerequisites above, concepts that depend on this one below.

used byprerequisitesCoral ReefL16ReefL15RidgeL4RockL4CoralL14E1 concrete → E14 abstract

In other languages

Prerequisites

What you need to understand first.

  • Ridge L4 (requires)
    A ridge of rock, coral, or sand just above or below the surface of the sea, often forming a barrier to navigation.
  • Rock L4 (requires)
    A ridge of rock, coral, or sand just above or below the surface of the sea, often forming a barrier to navigation.
  • Coral L14 (requires)
    Reef requires understanding of coral as a foundational concept.

Used by