| ARCHESPORIAL | • archesporial adj. Relating to the archesporia, cells of the sporangium that give rise to spores. • ARCHESPORIAL adj. of or like an archesporium, a primitive cell or group of cells from which a mother cell develops. |
| CHLOROPRENES | • chloroprenes n. Plural of chloroprene. • CHLOROPRENE n. a colorless liquid used esp. in making neoprene by polymerization. |
| ELECTROGRAPH | • electrograph n. A machine used in gravure printing. • electrograph n. A recording electrometer; also, the graph produced by such a device. • electrograph n. (Historical) An instrument for the reproduction at a distance of pictures, maps, etc., by means of electricity. |
| ELECTROPHORI | • electrophori n. Plural of electrophorus. • ELECTROPHORUS n. an apparatus consisting of a disk and metal plate to demonstrate static electricity. |
| HYPERCOLOURS | • HYPERCOLOUR n. a dye that causes a fabric to change colour with a change of temperature. |
| PERCHLORATES | • perchlorates n. Plural of perchlorate. • PERCHLORATE n. a salt or ester of perchloric acid. |
| PERCHLORIDES | • perchlorides n. Plural of perchloride. • PERCHLORIDE n. a chloride that contains more chlorine than other chlorides of the same element. |
| PERICHONDRAL | • perichondral adj. Surrounding cartilage. • PERICHONDRAL adj. of or like a perichondrium. |
| PRESCHOOLERS | • preschoolers n. Plural of preschooler. • PRESCHOOLER n. a child not yet old enough for school. |
| PROCATHEDRAL | • procathedral n. A church used in place of a cathedral. • procathedral adj. Used in place of a cathedral. • pro-cathedral n. Alternative form of procathedral. |
| REPROACHABLE | • reproachable adj. Deserving reproach. • reproachable adj. (Obsolete) Opprobrious; scurrilous; reproachful; abusive. • REPROACHABLE adj. worthy of reproach. |
| REPROACHABLY | • reproachably adv. In a reproachable manner. • REPROACHABLE adv. worthy of reproach. |
| REPROACHLESS | • reproachless adj. Without reproach. • REPROACHLESS adj. without reproach. |
| RETROPHILIAC | • RETROPHILIAC n. one who engages in retrophilia, love of things past. |
| RHOPALOCERAL | • rhopaloceral adj. Of or relating to the Rhopalocera. • RHOPALOCERAL adj. relating to the Rhopalocera, a suborder of insects with clubbed antennae, also RHOPALOCEROUS. |
| SCRIPHOLDERS | • SCRIPHOLDER n. a person who owns a scrip or scrips. |