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対消滅 (ついしょうめつ, tsuishoumetsu) Japanese meaning | Kotomora

対つい消しょう滅めつ

つ

い

しょ

う

め

つ

Meanings

1

annihilation (particle-antiparticle)

Physics term for the mutual destruction of a particle and its antiparticle, converting their mass into energy.

電でん子しと陽よう電でん子しが衝

しょう

突とつ

する

と

対つい

消しょう

滅めつ

が

起お

こる

。

When an electron and a positron collide, annihilation occurs.

Kanji

対vis-a-vis, opposite, even
消extinguish, blow out, turn off
滅destroy, ruin, overthrow

Built from

対つい+消しょう滅めつ

Etymology

Compound of 対 (anti-, opposite) and 消滅 (extinction, annihilation). A modern technical term formed from existing kanji.