固形(こけい)

こけい
noun
solid (form), solid state
1. solid form, solid state
A substance in solid form, as opposed to liquid or gas. Often used as a modifier (固形の) to describe products or substances that come in solid form. Common in product descriptions, science, and everyday contexts.
固形(こけい)せっけんを使(つか)う。
To use bar soap.
この薬(くすり)は固形(こけい)タイプと液体(えきたい)タイプがある。
This medicine comes in solid and liquid types.
固形(こけい)燃料(ねんりょう)はキャンプで火(ひ)を起(お)こすのに便利(べんり)だ。
Solid fuel is convenient for starting a fire when camping.

Composed of 固(こ) (solid, hard) + 形(けい) (form, shape). Describes a substance in solid form, as opposed to liquid or gas. Most commonly used as a modifier before nouns.

Common collocations

  • 固形(こけい)せっけん: bar soap (solid soap)
  • 固形(こけい)燃料(ねんりょう): solid fuel
  • 固形(こけい)物(ぶつ): solid matter
  • 固形(こけい)タイプ: solid type
  • 固形(こけい)食品(しょくひん): solid food
  • 固形(こけい)分(ぶん): solid content

Similar words

The three states of matter:

固形(こけい) emphasizes the form or shape ("in solid form"), while 固体(こたい) is the scientific term for the state of matter. For example, 固形(こけい)せっけん describes soap in bar form, not its molecular state.

Related Words

Synonym: 固体(こたい) (solid (substance))
Antonym: 液体(えきたい) (liquid)
Compare: 気体(きたい) (gas)
general
Added 2026.2.20 17:58 · Revised 2026.9.2 13:01
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