| ANATROPOUS | • anatropous adj. (Botany, of an ovule) Having an inverted nucleus, whose apex points to the base. • ANATROPOUS adj. of an ovule, inverted so that the micropyle is next to the stalk. |
| APOCHROMAT | • apochromat n. (Optics) A kind of lens corrected for chromatic and spherical aberration. • APOCHROMAT n. an apochromatic lens or instrument. |
| APOTROPAIC | • apotropaic adj. (Religion, mysticism) Intended to ward off evil. • apotropaic n. An agent intended to ward off evil. • APOTROPAIC adj. averting or combating evil. |
| CAPODASTRO | • CAPODASTRO n. (Italian) a moveable bridge secured over the fingerboard and strings of a guitar, also CAPOTASTO. |
| COMPARATOR | • comparator n. Any device for comparing a physical property of two objects, or an object with a standard. • comparator n. An electronic device that compares two voltages, currents or streams of data. • comparator n. (Law) anything that serves comparison. |
| EVAPORATOR | • evaporator n. A piece of equipment used to evaporate the solvent from a solution. • evaporator n. The part of a refrigerator that absorbs heat by evaporating a refrigerant. • EVAPORATOR n. an agent that causes evaporation. |
| LAPAROTOMY | • laparotomy n. (Surgery) The surgical procedure for making an incision in the abdominal wall to gain access into the… • LAPAROTOMY n. a cutting through the walls of the abdomen, as in the Caesarean section. |
| PARADOCTOR | • paradoctor n. (Rare) A doctor on a pararescue team. • PARADOCTOR n. a doctor who parachutes to patients in remote areas. |
| PARATROOPS | • paratroops n. Infantry soldiers deployed by parachute. • PARATROOPS n. troops carried by air. |
| PROCTODAEA | • proctodaea n. Plural of proctodaeum. • PROCTODAEUM n. the posterior portion of the alimentary canal, also PROCTODEUM. |
| PRODROMATA | • prodromata n. Plural of prodroma. • PRODROME n. a prefatory work; an initial symptom of a disease, also PRODROMA, PRODROMUS. |
| PROPAGATOR | • propagator n. A person who disseminates news or rumour. • propagator n. A person who propagates plants. • propagator n. A covered, sometimes heated container for germinating seeds or raising seedlings. |
| PROTANOPIA | • protanopia n. (Pathology) A form of color blindness. Involves a defect in distinguishing between red and green. • PROTANOPIA n. colour-blindness with respect to red. |