| CYCLOPENTADIENE | • cyclopentadiene n. (Organic chemistry) an unsaturated alicyclic hydrocarbon, C5H6; it forms complexes with some transition… • CYCLOPENTADIENE n. a colourless liquid unsaturated cyclic hydrocarbon obtained in the cracking of petroleum hydrocarbons and the distillation of coal tar, used in the manufacture of plastics and insecticides. |
| CYPROHEPTADINES | • cyproheptadines n. Plural of cyproheptadine. • CYPROHEPTADINE n. a powerful antihistamine drug used to treat allergies. |
| DAGUERREOTYPIES | • DAGUERREOTYPY n. the art of daguerreotyping. |
| DAGUERREOTYPING | • daguerreotyping v. Present participle of daguerreotype. • DAGUERREOTYPE v. to develop by daguerreotype, a method of photography by mercury vapour development of silver iodide. |
| DAGUERREOTYPIST | • daguerreotypist n. A person who makes daguerreotypes. • DAGUERREOTYPIST n. one who practises daguerreotyping, also DAGUERREOTYPER. |
| DIPHENYLKETONES | • diphenylketones n. Plural of diphenylketone. • DIPHENYLKETONE n. the aromatic ketone benzophenone. |
| ENCYCLOPAEDISTS | • encyclopaedists n. Plural of encyclopaedist. • encyclopædists n. Plural of encyclopædist. • ENCYCLOPAEDIST n. one who compiles encyclopaedias, also ENCYCLOPEDIST. |
| EPICONDYLITISES | • EPICONDYLITIS n. inflammation of the epicondyle. |
| HYPERMODERNISTS | • hypermodernists n. Plural of hypermodernist. • HYPERMODERNIST n. a practitioner of a hypermodernist style in art. |
| HYPERPRODUCTIVE | • hyperproductive adj. Exceptionally productive. |
| LEPIDOPTEROLOGY | • lepidopterology n. (Biology, zoology, entomology) The scientific study of butterflies and moths (the Lepidoptera). • lepidopterology n. Lepidoptery, (the hobby of butterfly collecting). • LEPIDOPTEROLOGY n. the study of butterflies and moths. |
| PERISSODACTYLES | • PERISSODACTYLE n. an animal of the Perissodactyla, a division of ungulates with an odd number of toes, including the horse, tapir and rhinoceros, also PERISSODACTYL. |
| POLIOMYELITIDES | • poliomyelitides n. Plural of poliomyelitis. • POLIOMYELITIS n. a virus disease of the spinal cord, often causing paralysis; infantile paralysis. |
| POLYNUCLEOTIDES | • polynucleotides n. Plural of polynucleotide. • POLYNUCLEOTIDE n. a polymeric chain of nucleotides. |
| RADIOTELEGRAPHY | • radiotelegraphy n. The process and techniques of sending telegrams using radio waves rather than wires. • radio␣telegraphy n. The transmission of Morse code (etc) using radio. • RADIOTELEGRAPHY n. signalling by radiotelegraph, wireless telegraphy. |
| SERENDIPITOUSLY | • serendipitously adv. By serendipity; by blind luck in combination with wisdom; by fortunate accident. • SERENDIPITOUS adv. obtained or characterized by serendipity. |