| AEROHYDROPLANES | • AEROHYDROPLANE n. a winged hydroplane or flying-boat. |
| ARCHAEOPTERYXES | • archaeopteryxes n. Plural of archaeopteryx. • ARCHAEOPTERYX n. a Jurassic fossil bird of the Archaeopteryx genus, with a long bony tail, sharp-toothed jaws, and wings bearing three clawed digits. |
| ARCHEOASTRONOMY | • archeoastronomy n. Alternative spelling of archaeastronomy. • ARCHEOASTRONOMY n. the scientific study of the beliefs and practices concerning astronomy that existed in ancient and prehistoric civilizations. |
| BIOSTRATIGRAPHY | • biostratigraphy n. (Biology, geology) The study of the stratigraphic distribution of fossils. • BIOSTRATIGRAPHY n. the determination of age, etc., of sedimentary strata from fossils which they contain. |
| CRYSTALLOGRAPHY | • crystallography n. The experimental science of determining the arrangement of atoms in solids. • crystallography n. The study of crystals. • CRYSTALLOGRAPHY n. a science that deals with the forms and structures of crystals. |
| DACTYLOGRAPHERS | • DACTYLOGRAPHER n. one who studies fingerprints. |
| INTERPAROXYSMAL | • interparoxysmal adj. Between paroxysms. • INTERPAROXYSMAL adj. between paroxysms. |
| MYOCARDIOGRAPHS | • MYOCARDIOGRAPH n. an instrument for recording the movements of heart muscle. |
| NORTHEASTWARDLY | • northeastwardly adv. Towards the northeast. • NORTHEASTWARDLY adv. in a northeasterly direction. |
| PARAMYXOVIRUSES | • paramyxoviruses n. Plural of paramyxovirus. • PARAMYXOVIRUS n. any of a group of viruses which includes the mumps and measles viruses. |
| PROCRASTINATORY | • procrastinatory adj. Of or pertaining to procrastination. • PROCRASTINATORY adj. tending to procrastinate, also PROCRASTINATIVE. |
| REACTIONARYISMS | • REACTIONARYISM n. the state of being reactionary, also REACTIONARISM. |
| RHYPAROGRAPHERS | • rhyparographers n. Plural of rhyparographer. • RHYPAROGRAPHER n. one who does genre or still-life pictures of sordid subjects. |
| RHYPAROGRAPHIES | • RHYPAROGRAPHY n. genre or still-life pictures of sordid subjects. |
| SAUROPTERYGIANS | • sauropterygians n. Plural of sauropterygian. • SAUROPTERYGIAN n. any carnivorous Mesozoic marine reptile of the group Sauropterygia, with paddle-like limbs. |
| SPHAEROCRYSTALS | • sphaerocrystals n. Plural of sphaerocrystal. • SPHAEROCRYSTAL n. a rounded crystalline mass. |
| STAPHYLORRHAPHY | • staphylorrhaphy n. The operation of uniting a cleft palate by paring and bringing together the edges of the cleft. • STAPHYLORRHAPHY n. the operation of uniting a cleft palate. |
| SYNARTHRODIALLY | • synarthrodially adv. By means of synarthrosis. • SYNARTHRODIAL adv. of, relating to, or being a synarthrosis. |
| TYRANNOSAURUSES | • tyrannosauruses n. Plural of tyrannosaurus. • TYRANNOSAURUS n. a large carnivorous lizard-hipped dinosaur, common during the Cretaceous period, also TYRANNOSAUR. |
| ULTRASONOGRAPHY | • ultrasonography n. (Medicine) The use of ultrasound to produce diagnostic images of the internal organs of the body, or of a foetus. • ultrasonography n. The use of ultrasound to form images of underwater structures. • ULTRASONOGRAPHY n. the use of ultrasound. |