| ABAMPERES | • abamperes n. Plural of abampere. • ABAMPERE n. a unit of electric current equivalent to 10 amperes. |
| AMBIPOLAR | • ambipolar adj. Reacting to both positive and negative polarity. • AMBIPOLAR adj. of plasmas and semiconductors, involving both positive and negative charge carriers. |
| 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. |
| BIPYRAMID | • bipyramid n. A dipyramid. • BIPYRAMID n. a crystal formed of two pyramids base to base. |
| BROOMRAPE | • broomrape n. Any of various plants, of the genus Orobanche, that are parasitic on the roots of other plants. • broom-rape n. Alternative form of broomrape. • broom␣rape n. Alternative form of broomrape. |
| CRAMPBARK | • crampbark n. Viburnum opulus, the highbush cranberry. • CRAMPBARK n. (US) the guelder rose; its medicinal bark. |
| LAMPBRUSH | • lampbrush n. (Rare) A form of brush, containing loops of material, used for dusting light fittings. • lampbrush n. (Genetics) Used attributively to refer to lampbrush chromosomes. • LAMPBRUSH adj. as in lampbrush chromosome, a chromosome observed during the early stages of meiosis in many eukaryotes. |
| MOPBOARDS | • mopboards n. Plural of mopboard. • MOPBOARD n. a narrow board nailed against the wall of a room next to the floor; aka skirting board. |
| PENUMBRAE | • penumbrae n. Plural of penumbra. • PENUMBRA n. (Latin) a partial shadow. |
| PENUMBRAL | • penumbral adj. Of, or pertaining to, the penumbra. • PENUMBRAL adj. relating to the penumbra. |
| PENUMBRAS | • penumbras n. Plural of penumbra. • PENUMBRA n. (Latin) a partial shadow. |
| PERMABEAR | • permabear n. (Finance, informal) An investor who consistently acts in the expectation that the value of stocks and… • PERMABEAR n. an investor who consistently acts in the expectation that the value of stocks and shares will fall. |
| PERMABULL | • permabull n. (Finance, informal) A financial pundit who is permanently bullish on the stock market. • PERMABULL n. an investor who consistently acts in the expectation that the value of stocks and shares will rise. |
| PERMEABLE | • permeable adj. Absorbing or allowing the passage of fluids. • PERMEABLE adj. allowing a gas or liquid to pass through. |
| PERMEABLY | • permeably adv. In a permeable manner. • PERMEABLE adv. allowing a gas or liquid to pass through. |
| PRAEAMBLE | • praeamble n. Obsolete form of preamble. • præamble n. Obsolete spelling of preamble. • PRAEAMBLE n. (Milton) a preamble, also PREAMBLE. |
| PREAMBLED | • preambled v. Simple past tense and past participle of preamble. • PREAMBLE v. to give an explanatory introduction. |
| PREAMBLES | • preambles n. Plural of preamble. • preambles v. Third-person singular simple present indicative form of preamble. • PREAMBLE v. to give an explanatory introduction. |
| PROCAMBIA | • procambia n. Plural of procambium. • PROCAMBIUM n. the young tissue of a fibrovascular bundle before its component cells have begun to be differentiated. |
| REBAPTISM | • rebaptism n. A second or subsequent baptism; the act or ceremony of rebaptizing. • REBAPTISM n. a second baptism. |