| 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. |
| ANTIHALATIONS | • ANTIHALATION n. the prevention of halation, usually by placing a layer of dye on the back of the film to absorb light which has passed through the emulsion on it. |
| ARITHMOMANIAS | • arithmomanias n. Plural of arithmomania. • ARITHMOMANIA n. an obsession with numbers, esp. compulsion to count things. |
| ASTRAPOPHOBIA | • astrapophobia n. Astraphobia. • ASTRAPOPHOBIA n. a morbid fear of thunder and lightning, also ASTRAPHOBIA, ASTROPHOBIA. |
| GALACTORRHEAS | • galactorrheas n. Plural of galactorrhea. • GALACTORRHEA n. a too abundant flow of milk, also GALACTORRHOEA. |
| HAEMATOBLASTS | • haematoblasts n. Plural of haematoblast. • HAEMATOBLAST n. a blood platelet, also HEMATOBLAST. |
| KATHAREVOUSAS | • KATHAREVOUSA n. a formal archaizing written form of Modern Greek, based on Ancient Greek. |
| PHANTASMAGORY | • phantasmagory n. Phantasmagoria. • PHANTASMAGORY n. a fantastic sequence of haphazardly associative imagery, as seen in dreams or fever, also PHANTASMAGORIA. |
| SATANOPHANIES | • satanophanies n. Plural of satanophany. • SATANOPHANY n. an appearance of the devil. |
| SATANOPHOBIAS | • SATANOPHOBIA n. fear of the devil. |
| STAGECOACHMAN | • stagecoachman n. A man who drives a stagecoach. • STAGECOACHMAN n. the driver of a stagecoach. |
| THALASSOCRACY | • thalassocracy n. A state whose power derives from its naval or commercial supremacy on the seas. • thalassocracy n. Maritime supremacy. • THALASSOCRACY n. sovereignty of the seas, also THALATTOCRACY. |
| THALASSOCRATS | • thalassocrats n. Plural of thalassocrat. • THALASSOCRAT n. one who has maritime supremacy. |
| THEATROMANIAS | • THEATROMANIA n. a craze for going to plays. |