| ACHROMATOPSIA | • achromatopsia n. Achromatopia. • ACHROMATOPSIA n. total colour-blindness, where only white, grey and black are visible. |
| AGATHODAIMONS | • agathodaimons n. Plural of agathodaimon. • AGATHODAIMON n. (Greek) one's good genius; the good part of one's conscience. |
| AMPHISTOMATAL | • AMPHISTOMATAL adj. of a leaf, having stomata on both surfaces, also AMPHISTOMATIC. |
| ARITHMOMANIAS | • arithmomanias n. Plural of arithmomania. • ARITHMOMANIA n. an obsession with numbers, esp. compulsion to count things. |
| ENCEPHALOMATA | • encephalomata n. Plural of encephaloma. • ENCEPHALOMA n. a brain tumour. |
| GIGANTOMACHIA | • GIGANTOMACHIA n. a war of giants, esp. against the gods, also GIGANTOMACHY. |
| HAEMANGIOMATA | • haemangiomata n. Plural of haemangioma. • HAEMANGIOMA n. a usually benign tumour made up of blood vessels, also HEMANGIOMA. |
| HAEMATOBLASTS | • haematoblasts n. Plural of haematoblast. • HAEMATOBLAST n. a blood platelet, also HEMATOBLAST. |
| HYPONATRAEMIA | • hyponatraemia n. Alternative spelling of hyponatremia. • hyponatræmia n. Alternative form of hyponatraemia. • HYPONATRAEMIA n. deficiency of sodium in the blood. |
| PANOPHTHALMIA | • PANOPHTHALMIA n. inflammation of the whole eye, also PANOPHTHALMITIS. |
| PHANTASMAGORY | • phantasmagory n. Phantasmagoria. • PHANTASMAGORY n. a fantastic sequence of haphazardly associative imagery, as seen in dreams or fever, also PHANTASMAGORIA. |
| RHABDOMYOMATA | • rhabdomyomata n. Plural of rhabdomyoma. • RHABDOMYOMA n. a tumour of striated muscle. |
| STAGECOACHMAN | • stagecoachman n. A man who drives a stagecoach. • STAGECOACHMAN n. the driver of a stagecoach. |
| THALAMIFLORAL | • thalamifloral adj. (Botany) Bearing the stamens directly on the receptacle. • THALAMIFLORAL adj. having petals free and stamens hypogynous. |
| THAUMATOLATRY | • thaumatolatry n. (Rare, obsolete) Worship or undue admiration of wonderful or miraculous things. • THAUMATOLATRY n. the worship of miracles or wonders. |
| THEATROMANIAS | • THEATROMANIA n. a craze for going to plays. |
| ULTRAMARATHON | • ultramarathon n. A running race over a distance longer than 42.195 km, the length of a standard marathon. • ULTRAMARATHON n. a footrace longer than a marathon. |