Word
Kana: ほんたい Romaji: hontai Level: N1

本体

Meaning in English

substance, body, trunk

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Word context

What it means

What does 本体 mean? It denotes the main or physical body of an object, distinct from its parts, exterior features, or software; the term is used to refer to the central substance or core form in everyday and technical contexts.

Main meanings

  • Main body or main unit of a device or organism
  • The true form or essence of something, beyond its appearance
  • In computing or robotics, the hardware component as opposed to software or peripherals

How to use it

Used to refer to the physical main part of a device, organism, or object; it distinguishes the core hardware from software or peripheral parts; in philosophical or theoretical contexts it can denote the true substance or essence behind appearances; in formal technical writing it appears alongside terms for components and modules.

Variants and close terms

  • main body, main unit — hontai
  • core, essence, substance — hontai
  • physical form, real body — hontai

Composition

  • 本: base, main, origin
  • 体: body, form
  • Combination: main body or core form

Etymology

本体 is a compound of 本 and 体; its typical pronunciation in compounds is hontai, reflecting a union of base/main and body concepts; phonetic evolution centers on these on-reading pronunciations.

Word class

Noun (名詞)

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