| ANGIOCARPOUS | • angiocarpous adj. Describing a plant whose fruit is in an envelope and not part of a calyx. • ANGIOCARPOUS adj. having the fruit (or in fungi the hymenium) within a special covering. |
| ANGIOSARCOMA | • angiosarcoma n. (Oncology) Any malignant tumour of vascular tissue. • ANGIOSARCOMA n. a malignant tumour of the vascular epithelia, occurring e.g. in the liver. |
| AUTOROTATING | • autorotating v. Present participle of autorotate. • AUTOROTATE v. to self-turn. |
| CAMPANOLOGER | • CAMPANOLOGER n. a bell-ringer. |
| CARBONADOING | • carbonadoing v. Present participle of carbonado. • CARBONADO v. (Spanish) to broil on coals, also CARBONADE, CARBONNADE. |
| COPROPHAGANS | • coprophagans n. Plural of coprophagan. • COPROPHAGAN n. a beetle that lives in dung. |
| CORONAGRAPHS | • coronagraphs n. Plural of coronagraph. • CORONAGRAPH n. an instrument for viewing the corona of the sun. |
| GASTROPODANS | • GASTROPODAN n. a gastropod. |
| HARMONOGRAMS | • harmonograms n. Plural of harmonogram. • HARMONOGRAM n. a curve drawn by a harmonograph. |
| HARMONOGRAPH | • harmonograph n. A mechanical device that uses a combination of pendulums to generate an image based on Lissajous curves. • HARMONOGRAPH n. an instrument for drawing curves representing vibrations. |
| OCEANOGRAPHY | • oceanography n. The exploration and scientific study of the oceans and ocean floor. • OCEANOGRAPHY n. the study of the oceans. |
| OCTOGENARIAN | • octogenarian n. Synonym of eightysomething: a person between 80 and 89 years old. • octogenarian adj. Of or related to eightysomethings. • OCTOGENARIAN n. a person whose age is in the eighties. |
| OLEOMARGARIN | • OLEOMARGARIN n. margarine, also OLEOMARGARINE. |
| ORGANISATION | • organisation n. (British spelling, Australian spelling, New Zealand spelling) Standard spelling of organization. • ORGANISATION n. the act of organising, also ORGANIZATION. |
| ORGANIZATION | • organization n. (Uncountable) The quality of being organized. • organization n. (Uncountable) The way in which something is organized, such as a book or an article. • organization n. (Countable) A group of people or other legal entities with an explicit purpose and written rules. |
| ORGANOGRAPHY | • organography n. (Biology) The scientific description of the structure and function of the organs of living organisms. • ORGANOGRAPHY n. a description of the organs of plants or animals. |
| PROGRADATION | • progradation n. (Geology) The growth of a river delta farther out into the sea over time, as it gains more sediment. • PROGRADATION n. the act of prograding, advancing seaward. |
| PROPAGATIONS | • propagations n. Plural of propagation. • PROPAGATION n. the act of propagating. |
| ZOOSPORANGIA | • zoosporangia n. Plural of zoosporangium. • zoösporangia n. Plural of zoösporangium. • ZOOSPORANGIUM n. a spore case or sporangium bearing zoospores. |