prograde

English

WOTD – 3 November 2015

Etymology

From pro- (“forward”) +‎ -grade (“direction”).

Pronunciation

• (Received Pronunciation) IPA^(key): /ˈpɹəʊɡɹeɪd/
• (General American) IPA^(key): /ˈpɹoʊɡɹeɪd/

• Audio (Southern England):

  (file)

Adjective

prograde (comparative more prograde, superlative most prograde)

1. (astronomy) Moving in a forward direction, especially with respect to other bodies in the same system.
2. (geology) Being a metamorphic change resulting from a higher pressure or temperature.

Antonyms

• retrograde

Translations

(astronomy) moving in a forward direction

• Czech: prográdní
• French: prograde (fr)
• German: rechtläufig, prograd
• Greek: ορθόδρομος (el) (orthódromos)
• Persian: استقامت (fa) (esteqâmat), حرکت مستقیم (harekat-e mostaqim)

(geology) being a metamorphic change

• Czech: prográdní
• French: prograde (fr)

Verb

prograde (third-person singular simple present progrades, present participle prograding, simple past and past participle prograded)

1. (geology) Of sediment, to build out seawards in conditions of marine regression.
   • 1992, R.H Workum, A.S. Hedinger, Geological Survey of Canada, Open File 2509, page 41:

     In some localities the bank margins of several cycles are stacked above each other^[sic], in other places they backstep or prograde relative to each other.

Related terms

• progradation

Anagrams

• drag rope, drag-rope