downgoing

adj, noun — 2 senses

downgoing

adj

Etymology From down + going.

1

Sciences Especially, Of a wave Tending downward

First, explosions in the water are efficient generators of seismic waves, because hydroacoustic energy efficiently generates downgoing seismic waves below the water.1997, Research Required to Support Comprehensive Nuclear Test Ban Treaty, →ISBN, page 27:

Antonyms: upgoing

downgoing

noun

Etymology From down + going.

1

Poetic, Rare A descent

Art thou not weary, Time, of thy long tramp, / Thy long downgoings from the thrones of bliss ?1854, John Stanyan Bigg, Night and the Soul: A Dramatic Poem, page 121:

Related terms: downgone, upgoing

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.