| BRONCHOSCOPY | • bronchoscopy n. (Medicine) A technique for viewing the bronchi using a flexible instrument called a bronchoscope. • BRONCHOSCOPY n. examination of the bronchi. |
| CHROMATOLOGY | • chromatology n. The scientific study of colour. • CHROMATOLOGY n. the science of colour. |
| COLONOGRAPHY | • colonography n. A virtual, non-invasive form of colonoscopy that uses computed tomography. |
| HYDROCODONES | • hydrocodones n. Plural of hydrocodone. • HYDROCODONE n. a semisynthetic opioid drug derived from codeine and thebaine. |
| HYDROCOLLOID | • hydrocolloid n. Any material that forms a colloid (especially a gel) when mixed with water. • hydrocolloid n. Such a material, made from agar, used to make dental impressions. • HYDROCOLLOID n. a substance that yields a gel with water. |
| HYPOCHLOROUS | • hypochlorous adj. (Chemistry) Pertaining to or derived from chlorine having a valence lower than in chlorous compounds. • HYPOCHLOROUS adj. of or derived from hypochlorous acid. |
| HYPOTROCHOID | • hypotrochoid n. (Geometry) A geometric curve traced by a fixed point on the radius line outside one circle which rotates… • HYPOTROCHOID n. the curve traced by a point on the radius, or radius produced, of a circle rolling within another circle. |
| MONOCHROMASY | • MONOCHROMASY n. complete colour-blindness. |
| ONYCHOPHORAN | • onychophoran n. (Zoology) Any of many wormlike carnivorous ecdysozoan animals of the phylum Onychophora. • ONYCHOPHORAN n. any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms. |
| OOPHORECTOMY | • oophorectomy n. (Medicine) Surgical removal of one or both ovaries. • oöphorectomy n. Alternative spelling of oophorectomy. • OOPHORECTOMY n. the operation of removing one or both of the ovaries, aka ovariotomy. |
| ORNITHOSCOPY | • ornithoscopy n. Birdwatching. • ORNITHOSCOPY n. bird watching. |
| POLYCHROMOUS | • polychromous adj. Of or pertaining to polychromy; many-colored; polychromatic. • POLYCHROMOUS adj. many-coloured, also POLYCHROME, POLYCHROMIC. |
| THORACOSTOMY | • thoracostomy n. Incision into the chest wall, with maintenance of the opening for drainage. • THORACOSTOMY n. the construction of an artificial opening in the chest, usually to draw off fluid or release a buildup of air. |