| AMBROTYPE | • ambrotype n. (Photography, historical) An early type of photograph in which a glass negative appears positive when… • AMBROTYPE n. a picture taken on a plate of prepared glass, in which the lights are represented in silver, and the shades are produced by a dark background visible through the un-silvered portions of the glass. |
| AMPHOLYTE | • ampholyte n. (Chemistry) An amphoteric electrolyte. • AMPHOLYTE n. an amphoteric electrolyte. |
| APOENZYME | • apoenzyme n. (Biochemistry) An inactive haloenzyme lacking a cofactor. • APOENZYME n. a protein component which combines with a coenzyme. |
| ASYMPTOTE | • asymptote n. (Mathematical analysis) A straight line which a curve approaches arbitrarily closely as it goes to infinity… • asymptote n. (By extension, figuratively) Anything which comes near to but never meets something else. • asymptote v. (Mathematical analysis) To approach, but never quite touch, a straight line, as something goes to infinity. |
| COPAYMENT | • copayment n. (US) A fixed fee paid by subscribers to a medical insurance scheme for each treatment or service in… • COPAYMENT n. a joint payment. |
| CYMOPHANE | • cymophane n. (Mineralogy) A translucent yellowish chatoyant chrysoberyl. • CYMOPHANE n. cat's-eye, a variety of chrysoberyl with wavy opalescence. |
| EMPANOPLY | • empanoply v. (Transitive, Britain, military, historical, also figuratively) To dress in a full suit of armour; to panoply. • EMPANOPLY v. to clothe in full armor. |
| HYPODERMA | • hypoderma n. (Botany) A layer of tissue beneath the epidermis in plants, performing the physiological function of… • hypoderma n. (Zoology) An inner cellular layer which lies beneath the chitinous cuticle of arthropods, annelids… • Hypoderma prop.n. A taxonomic genus within the family Oestridae – warble flies. |
| HYPOGAEUM | • hypogaeum n. Alternative form of hypogeum. • HYPOGAEUM n. (Greek) an underground chamber, also HYPOGEUM. |
| HYPOXEMIA | • hypoxemia n. (Medicine) An abnormal deficiency in the concentration of oxygen in the blood, be it the partial pressure… • HYPOXEMIA n. deficiency of oxygenation of the blood, also HYPOXAEMIA, HYPOXIA. |
| MASTOPEXY | • mastopexy n. (Surgery) Any operation designed to lift or reshape a woman’s breast. • MASTOPEXY n. cosmetic surgery of breasts. |
| PADYMELON | • padymelon n. Alternative form of pademelon. • PADYMELON n. (Native Australian) any of several small wallabies, also PADDYMELON, PADEMELON. |
| PERMALLOY | • permalloy n. Any of a class of nickel/iron alloys that have a high magnetic permeability. • PERMALLOY n. an alloy of nickel and iron, the most easily magnetized of all materials. |
| POLYAMIDE | • polyamide n. (Chemistry) Any of a range of polymers containing amide (or peptide) repeat units; examples include… • POLYAMIDE n. a compound characterized by more than one amide group. |
| POLYAMINE | • polyamine n. (Organic chemistry) any compound having many (more than three) amino functional groups; especially such… • POLYAMINE n. a compound characterized by more than one amino group. |
| POLYLEMMA | • polylemma n. A circumstance in which a choice must be made between multiple options that seem equally undesirable. • POLYLEMMA n. an argument forcing a choice between contradictory statements. |
| PYELOGRAM | • pyelogram n. An image produced by means of pyelography. • PYELOGRAM n. an X-ray picture of the renal pelvis. |
| PYODERMAS | • pyodermas n. Plural of pyoderma. • PYODERMA n. a pus-causing skin disease. |
| PYROCERAM | • pyroceram n. (US) a form of pyrex. • PYROCERAM n. (tradename) a strong heat-resistant glass. |
| TEMPORARY | • temporary adj. Not permanent; existing only for a period or periods of time. • temporary adj. Existing only for a short time or short times; transient, ephemeral. • temporary n. One serving for a limited time; short-term employee. |