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Ｓ波 (エスは) Japanese meaning | Kotomora

Ｓ波えすは

エ

ス

は

Meanings

1

noun

S-wave; secondary wave

Seismological term for the secondary seismic wave that arrives after the P-wave. Used in earthquake contexts.

地じ震しんのとき、Ｐ波はの後あとにＳ波はが到とう達たつする。
During an earthquake, the S-wave arrives after the P-wave.

Written forms

Ｓ波えすは
Standard technical spelling using the Latin letter S.
エス波は
Kana spelling of the S, used when Latin characters are not available or preferred.

Kanji

波waves, billows, Poland

Similar words

Ｐ波ぴーは
Ｐ波 is the primary wave (P-wave), which travels faster and arrives first. Ｓ波 is the secondary wave (S-wave), which is slower and causes more shaking.

Etymology

From English 'S-wave', where 'S' stands for 'secondary'. The kanji 波 means 'wave'.