| ANENCEPHALY | • anencephaly n. A lethal birth defect in which most of the brain and parts of the skull are missing; absence of the encephalon. • ANENCEPHALY n. congenital absence of all or part of the brain, also ANENCEPHALIA. |
| CHAMAEPHYTE | • chamaephyte n. (Botany) Any low perennial plant whose buds overwinter just above soil level. • CHAMAEPHYTE n. a winter-flowering plant. |
| EMPYREUMATA | • empyreumata n. Plural of empyreuma. • EMPYREUMA n. the peculiar smell and taste arising from products of decomposition of animal or vegetable substances when burnt in close vessels. |
| HYPERAEMIAS | • hyperaemias n. Plural of hyperaemia. • HYPERAEMIA n. an excess or congestion of blood in an organ or part of the body, also HYPEREMIA. |
| MEGACEPHALY | • megacephaly n. Macrencephaly. • MEGACEPHALY n. the condition of having an unusually large head or cranial capacity, also MEGALOCEPHALY. |
| PALAEOTYPES | • palaeotypes n. Plural of palaeotype. • PALAEOTYPE n. a nineteenth century phonetic adaptation of ordinary alphabetical type. |
| PARAKEELYAS | • parakeelyas n. Plural of parakeelya. • PARAKEELYA n. (Native Australian) a succulent Australian herb, also PARAKELIA. |
| PARALDEHYDE | • paraldehyde n. (Organic chemistry) A cyclic trimer of acetaldehyde once used as an antidepressant. • PARALDEHYDE n. a sleep-inducing drug. |
| PHLYCTAENAE | • PHLYCTAENA n. (Greek) a small blister or vesicle, also PHLYCTENA. |
| PLATELAYERS | • platelayers n. Plural of platelayer. • PLATELAYER n. a workman who lays and maintains railway track. |
| PLAYLEADERS | • playleaders n. Plural of playleader. • PLAYLEADER n. one who organises play. |
| PLAYREADERS | • playreaders n. Plural of playreader. • PLAYREADER n. one who reads over the script of a play. |