The Meaning of hontai [本体] In Japanese

本体
ほんたい
Romaji: hontai N3

What does 本体 mean?

Translation and Meaning

main body, main unit, physical body, true form

Definition

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.

Type

Noun (名詞)

Stroke Order

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

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.

Composition

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

Usage

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.
💡 Tips
Mnemonic: imagine a base supporting a body — 本 (base) underpins 体 (body), reminding you that 本体 is the base main body of something.

Variations

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

Example Phrases

  • 家電の本体はまだ修理が必要だ。
    Kaden no hontai wa mada shūri ga hitsuyō da.
    The main body of the appliance still needs repair.
    Lista:
    • 家電 (kaden) – appliance
    • の (no) – of
    • 本体 (hontai) – main body
    • は (wa) – topic marker
    • まだ (mada) – still
    • 修理 (shūri) – repair
    • が (ga) – subject marker
    • 必要 (hitsuyō) – necessary
    • だ (da) – is
    「本体」 means ‘main body’ or ‘main unit’ here; it is the topic of the sentence in the phrase 家電の本体, meaning ‘the main body of the appliance’.
本体