極きょく少しょう

noun, noun which may take the genitive case particle 'no'

minimal amount; very small quantity

Used to describe an extremely small amount, often in formal or technical contexts. Can be used as a noun or with の to modify another noun.

• この薬くすりは極きょく少しょうの量りょうで効こう果かがある。

  This medicine is effective in minimal amounts.

• 極きょく少しょうの差さで勝しょう負ぶが決きまった。

  The match was decided by a very small margin.