| ACOLOUTHOSES | • ACOLOUTHOS n. (historical) the head of the Varangian guard of the Byzantine emperors, also AKOLOUTHOS, AKOLUTHOS. |
| BACHELORHOOD | • bachelorhood n. The condition of being a bachelor. • BACHELORHOOD n. the state of being a bachelor. |
| CHOROLOGICAL | • chorological adj. Relating to chorology. • CHOROLOGICAL adj. related to chorology. |
| 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. |
| ECHOLOCATION | • echolocation n. The use of echoes to detect objects as observed in bats and other natural creatures. Also known as biosonar. • ECHOLOCATION n. determining the position of objects by means of supersonic vibrations echoed from them, as a bat does. |
| NONALCOHOLIC | • nonalcoholic adj. Containing no more than trace amounts of alcohol. • nonalcoholic adj. (Medicine) Not involving alcohol as its cause. • nonalcoholic n. One who is not an alcoholic. |
| OCHLOPHOBIAC | • ochlophobiac n. Synonym of ochlophobe. • OCHLOPHOBIAC n. one who suffers from ochlophobia, a morbid fear of crowds. |
| OCHLOPHOBIAS | • ochlophobias n. Plural of ochlophobia. • OCHLOPHOBIA n. the fear of crowds. |
| OPHIOLOGICAL | • ophiological adj. Of or relating to ophiology. • OPHIOLOGICAL adj. relating to ophiology, the study of snakes, also OPHIOLOGIC. |
| PHONOLOGICAL | • phonological adj. Of or relating to phonology. • phonological adj. Pertaining to the way sounds function in languages, including phonemes, syllable structure, stress, and accent. • PHONOLOGICAL adj. relating to phonology, also PHONOLOGIC. |
| PHOTOVOLTAIC | • photovoltaic adj. Producing a voltage when exposed to light. • photo-voltaic adj. Alternative spelling of photovoltaic. • PHOTOVOLTAIC adj. of, relating to, or utilizing the generation of a voltage when radiant energy falls on the boundary between dissimilar substances (as two different semiconductors). |
| POLYALCOHOLS | • polyalcohols n. Plural of polyalcohol. • POLYALCOHOL n. an alcohol that contains more than one hydroxyl group. |
| SOPHOMORICAL | • sophomorical adj. Sophomoric. • SOPHOMORICAL adj. of or like a sophomore, also SOPHOMORIC. |
| THIOALCOHOLS | • thioalcohols n. Plural of thioalcohol. • THIOALCOHOL n. another name for a thiol. |