| ALLOIOSTROPHOS | • ALLOIOSTROPHOS adj. irregularly divided, not in alternate strophe and antistrophe. |
| ISOCHROMOSOMES | • isochromosomes n. Plural of isochromosome. • ISOCHROMOSOME n. a chromosome produced by transverse splitting of the centromere so that both arms are from the same side of the centromere, are of equal length, and possess identical genes. |
| MONOTONOUSNESS | • monotonousness n. The property of being monotonous. • MONOTONOUS n. uttered or sounded in one unvarying tone. |
| ODONATOLOGISTS | • odonatologists n. Plural of odonatologist. • ODONATOLOGIST n. one who studies dragonflies. |
| ODONTOGLOSSUMS | • odontoglossums n. Plural of odontoglossum. • ODONTOGLOSSUM n. any of a genus of widely cultivated tropical American orchids. |
| OESOPHAGOSCOPE | • oesophagoscope n. Alternative form of esophagoscope. • OESOPHAGOSCOPE n. an instrument for examining the oesophagus. |
| OESOPHAGOSCOPY | • oesophagoscopy n. Alternative form of esophagoscopy. • OESOPHAGOSCOPY n. examination of the oesophagus, also ESOPHAGOSCOPY. |
| ONOMASIOLOGIES | • ONOMASIOLOGY n. the branch of semantics concerned with the meanings of and meaning relations between individual words. |
| ONOMATOLOGISTS | • onomatologists n. Plural of onomatologist. • ONOMATOLOGIST n. one who studies onomatology, the science of names. |
| ONOMATOPOIESES | • ONOMATOPOIESIS n. onomatopoeia, also ONOMATOPOEIA, ONOMATOPOESIS. |
| ONOMATOPOIESIS | • onomatopoiesis n. Onomatopoeia. • ONOMATOPOIESIS n. onomatopoeia, also ONOMATOPOEIA, ONOMATOPOESIS. |
| OPISTHOCOELOUS | • opisthocoelous adj. Concave behind; applied especially to vertebrae in which the anterior end of the centrum is convex and… • OPISTHOCOELOUS adj. hollow or concave behind, as e.g. a vertebra is, also OPISTHOCOELIAN. |
| OPISTHOTONOSES | • OPISTHOTONOS n. extreme arching backwards of the spine and neck as a result of spasm of the muscles in that region, etc. |
| PHOSPHOROSCOPE | • phosphoroscope n. (Physics, chemistry) Any of several devices used to measure phosphorescence, and to distinguish it from fluorescence. • PHOSPHOROSCOPE n. an instrument for measuring the duration of phosphorescence after the source of radiation causing it has been removed. |
| PHOTOCOMPOSERS | • photocomposers n. Plural of photocomposer. • PHOTOCOMPOSER n. one who photocomposes. |
| SIPHONOPHOROUS | • siphonophorous adj. Of or relating to the siphonophores. • SIPHONOPHOROUS adj. of or like a siphonophore, a type of colonial hydrozoan. |
| SOCIOBIOLOGIES | • sociobiologies n. Plural of sociobiology. • SOCIOBIOLOGY n. the study of the biological basis of human behaviour. |
| SOCIOBIOLOGIST | • sociobiologist n. A biologist whose speciality is sociobiology. • SOCIOBIOLOGIST n. one who studies sociobiology. |