| ANTINEUTRONS | • antineutrons n. Plural of antineutron. • ANTINEUTRON n. the antiparticle of the neutron. |
| ARCHENTERONS | • archenterons n. Plural of archenteron. • ARCHENTERON n. in the developing embryo, the primitive gut. |
| CHYLOMICRONS | • chylomicrons n. Plural of chylomicron. • CHYLOMICRON n. a tiny globule of fat, the form in which fat is carried in blood and chyle. |
| COELENTERONS | • coelenterons n. Plural of coelenteron. • COELENTERON n. a coelenterate's saclike body cavity. |
| COLEOPTERONS | • COLEOPTERON n. a large order of insects having the front wings modified as hard wing-cases, and comprising the beetles and weevils, also COLEOPTERAN. |
| DIATESSARONS | • diatessarons n. Plural of diatessaron. • DIATESSARON n. a medicine with four ingredients. |
| ENNEAHEDRONS | • ENNEAHEDRON n. a nine-sided solid figure. |
| HEPTAHEDRONS | • heptahedrons n. Plural of heptahedron. • HEPTAHEDRON n. a solid figure having several plane faces. |
| HEXAHEMERONS | • HEXAHEMERON n. the (biblical) six days of creation, also HEXAEMERON. |
| ICOSAHEDRONS | • icosahedrons n. Plural of icosahedron. • ICOSAHEDRON n. a polyhedron having 20 faces. |
| INTERNEURONS | • interneurons n. Plural of interneuron. • INTERNEURON n. an internuncial neuron. |
| KATABOTHRONS | • KATABOTHRON n. (Modern Greek) an underground water channel, also KATAVOTHRON. |
| KATAVOTHRONS | • KATAVOTHRON n. (Modern Greek) an underground water channel, also KATABOTHRON. |
| MILLIMICRONS | • millimicrons n. Plural of millimicron. • MILLIMICRON n. a thousandth of a micron. |
| NEUROPTERONS | • NEUROPTERON n. any of an order of insect including lacewing flies, also NEUROPTERAN. |
| PENTAHEDRONS | • pentahedrons n. Plural of pentahedron. • PENTAHEDRON n. a five-sided solid figure. |
| SYNCHROTRONS | • synchrotrons n. Plural of synchrotron. • SYNCHROTRON n. a type of very high-energy particle accelerator. |
| TETRAHEDRONS | • tetrahedrons n. Plural of tetrahedron. • TETRAHEDRON n. a polyhedron that has four faces. |