| BERYLLIUMS | • berylliums n. Plural of beryllium. • BERYLLIUM n. a metallic element. |
| BIORHYTHMS | • biorhythms n. Plural of biorhythm. • BIORHYTHM n. a periodic change in the behaviour or physiology of many animals and plants (e.g. hibernation and migration) mediated by hormones which are in turn influenced by changes in day-length. |
| BIPYRAMIDS | • bipyramids n. Plural of bipyramid. • BIPYRAMID n. a crystal formed of two pyramids base to base. |
| BISYMMETRY | • bisymmetry n. (Mathematics) The property of being bisymmetric. • BISYMMETRY n. symmetry in two planes at right angles to each other. |
| BRADYSEISM | • bradyseism n. (Volcanology) A gradual uplift or descent of part of the Earth’s surface caused by the filling or emptying… • BRADYSEISM n. a slow up-and-down movement of the earth's crust. |
| DITHYRAMBS | • dithyrambs n. Plural of dithyramb. • DITHYRAMB n. a hymn or poem to honor Bacchus. |
| GORBLIMEYS | • GORBLIMEY n. a kind of flat army cap, also GORBLIMY. |
| HYBRIDISMS | • hybridisms n. Plural of hybridism. • HYBRIDISM n. the state of being hybrid, also HYBRIDITY. |
| HYBRIDOMAS | • hybridomas n. Plural of hybridoma. • HYBRIDOMA n. a hybrid cell produced by the fusion of an antibody-producing lymphocyte with a tumor cell. |
| MYOFIBRILS | • myofibrils n. Plural of myofibril. • MYOFIBRIL n. a contractile element of a muscle cell. |
| PRESBYTISM | • presbytism n. Presbyopia. • PRESBYTISM n. presbyopia. |
| REMISSIBLY | • remissibly adv. In a remissible manner; pardonably. • REMISSIBLE adv. capable of being remitted or forgiven. |
| SYBARITISM | • sybaritism n. Luxury; wantonness; voluptuousness. • SYBARITISM n. devotion to luxury. |
| SYMBOLISER | • symboliser n. Alternative form of symbolizer. • SYMBOLISER n. one who symbolises, also SYMBOLIZER. |
| SYMBOLIZER | • symbolizer n. One who, or that which, symbolizes. • SYMBOLIZER n. one who symbolizes, also SYMBOLISER. |
| XYLORIMBAS | • xylorimbas n. Plural of xylorimba. • XYLORIMBA n. a combination of xylophone and marimba. |
| YTTERBIUMS | • ytterbiums n. Plural of ytterbium. • YTTERBIUM n. (Swedish) a rare element of the boron group. |
| YUMBERRIES | • yumberries n. Plural of yumberry. • YUMBERRY n. the purple-red edible fruit of an East Asian tree. |