
1) Egg shaped 2) Egg-shaped 3) Egglike 4) Sedimentary rock 5) Shaped like an egg 
Found on 
https://www.crosswordclues.com/clue/ooid

 Ooids are small (2 mm in diameter), spheroidal, `coated` (layered) sedimentary grains, usually composed of calcium carbonate, but sometimes made up of iron- or phosphate-based minerals. Ooids usually form on the sea floor, most commonly in shallow tropical seas (around the Bahamas, for example, or in the Persian Gulf). After being buried under a.....
Found on 
http://en.wikipedia.org/wiki/Ooid

(from the article `sedimentary rock`) ...nondetrital fragments (allochems) that undergo a brief history of transport and abrasion prior to deposition as nonterrigenous clasts. Examples ... Several types of allochems exist: oöids, skeletal grains, carbonate clasts, and pellets. Oöids (also known as oölites or oöliths)...
Found on 
http://www.britannica.com/eb/a-z/o/21

A spherical grain of calcium carbonate, either aragonite or calcite. See the Ooid Formation tutorial for more details of their formation and origin.
Found on 
http://www.encyclo.co.uk/local/20206

 See under soil type. Floor type Next to climate and grape variety, one of the most important factors influencing the quality of wine. The different soil types have developed over millions of years through physical and chemical weathering of rocks and through humification of organic matter. During physical weathering, natural forces such as win...
Found on 
https://glossary.wein.plus/ooid
  No exact match found.