Larry's Pretty Good Word of the Day (prettygoodword) wrote in 1word1day,
Larry's Pretty Good Word of the Day


rudaceous (ru-DAY-shuhs) - adj., (geol.) (of sedimentary rock) having coarse grains (larger than 2mm); composed of coarse-grained material.

So no, not ruddy-colored -- rough. Also, not rude. The rough guideline, so to speak, is "larger than grains of sand." This is a modern coinage (by geologist A. W. Grabau, from Latin root rudis coarse, rough) that replaced a much older synonym, arenaceous, which had the general meaning of sandy (borrowed in the 1640s from Latin harēnaceus, from harēna, sand) and was also used botanically, as in describing things that grow in sandy soil. Contrast with argillaceous, fine-grained (also from Latin, meaning clayey, borrowed around 1730).

When I described the ancient fort as "rudaceous," I did not mean that the stones were roughly cut, for indeed they stones were well-dressed and tightly fitted, but rather that the stone was rough-grained.

Tags: adjective, latin, r

  • Sunday Word: Sagacious

    sagacious [s uh- gey-sh uhs] adjective: 1 of keen and farsighted penetration and judgment, discerning 2 caused by or indicating acute…

  • Wednesday Word: Munificent

    Whew, another semester is in the can, which means I should be able to fulfill my wordy Wednesday duties until September! Munificent - adjective.…

  • Sunday Word: Gaudiloquent

    gaudiloquent [goh- dil- uh-kw uhnt ] adjective: (archaic, obsolete) speaking joyfully or on joyful matters Examples: But I must provide…

  • Post a new comment


    Comments allowed for members only

    Anonymous comments are disabled in this journal

    default userpic

    Your reply will be screened

    Your IP address will be recorded