the second ...; second
Ordinal prefix used before nouns to indicate the second in a series, often in formal or technical contexts like 第二次世界大戦 (World War II).
World War II ended in 1945.
We will inform you of the results of the second screening.
Compound of 第 (ordinal prefix) + 二 (two) + 次 (order, sequence). The combination 第二次 forms a prefix meaning 'the second' in a numbered series.