一いち次じ

noun-modifying (irregular), noun

first; preliminary; initial

Used for the first stage, step, or round of something; often appears in compounds like 一次試験 (first exam) or 一次審査 (preliminary screening).

• 一いち次じ試し験けんに合ごう格かくしたら二に次じ試し験けんに進すすめる。

  If you pass the first exam, you can proceed to the second exam.

• 一いち次じ的てきな対たい応おうとして、応おう急きゅう処しょ置ちを施ほどこした。

  As a preliminary measure, we administered first aid.

noun-modifying (irregular)

primary; original; first-hand

Refers to primary sources, original materials, or direct (first-hand) information, as opposed to secondary or processed versions.

• 研けん究きゅうには一いち次じ資し料りょうを使つかうことが重じゅう要ようだ。

  It is important to use primary sources for research.

• 一いち次じ情じょう報ほうを確かく認にんしてから判はん断だんしてください。

  Please check the original information before making a decision.

noun-modifying (irregular)

linear; first-order

Mathematics term for linear functions, equations, or first-order relationships.

• 一いち次じ関かん数すうのグラフは直ちょく線せんになる。

  The graph of a linear function becomes a straight line.

• この問もん題だいは一いち次じ方ほう程てい式しきで解とける。

  This problem can be solved with a linear equation.