second wave
Used for a second surge or phase, especially in contexts like epidemics, trends, or social movements.
専門家は第二波の到来を警告した。
Experts warned of the arrival of a second wave.
Strengthen the medical system in preparation for a second wave of infections.
Refers to the third wave, continuing the sequence.
Standard kanji spelling, preferred in formal contexts.
Variant using numeral 2; common in news headlines and informal writing.
Compound of 第 (ordinal prefix) + 二 (two) + 波 (wave). A straightforward Sino-Japanese formation.