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 There are 7 fifteen-letter words containing D, 2L, 3O and R| HYDROBIOLOGICAL | • hydrobiological adj. Of or pertaining to hydrobiology. • HYDROBIOLOGICAL adj. relating to hydrobiology, the study of aquatic organisms.
 |  | HYDROGEOLOGICAL | • hydrogeological adj. Of or pertaining to hydrogeology. • HYDROGEOLOGICAL adj. related to hydrogeology.
 |  | LEPIDOPTEROLOGY | • lepidopterology n. (Biology, zoology, entomology) The scientific study of butterflies and moths (the Lepidoptera). • lepidopterology n. Lepidoptery, (the hobby of butterfly collecting).
 • LEPIDOPTEROLOGY n. the study of butterflies and moths.
 |  | OLIGODENDROGLIA | • oligodendroglia n. (Anatomy) tissue (neuroglia) consisting of glial cells that are smaller than astrocytes and form the myelin sheath. • OLIGODENDROGLIA n. a glia made up of oligodendrocytes that forms the myelin sheath around axons in the central nervous system.
 |  | ORTHODONTICALLY | • orthodontically adv. By orthodontic means. • ORTHODONTIC adv. relating to orthodontics, the rectification of crookedness in the teeth.
 |  | RADIOBIOLOGICAL | • radiobiological adj. Of or pertaining to radiobiology. • RADIOBIOLOGICAL adj. relating to radiobiology, also RADIOBIOLOGIC.
 |  | RADIOLOCATIONAL | • radiolocational adj. Relating to radiolocation. • RADIOLOCATIONAL adj. relating to radiolocation, position-finding by radio signals.
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 Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.Definitions are short excerpt from the WikWik.org and 1Word.ws.
 
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