| Nucleus: English to English |
| Nucleus (n.) A body, usually spheroidal, in a cell or a protozoan, distinguished from the surrounding protoplasm by a difference in refrangibility and in behavior towards chemical reagents. It is more or less protoplasmic, and consists of a clear fluid (achromatin) th |
| Nucleus (n.) A kernel; hence, a central mass or point about which matter is gathered, or to which accretion is made; the central or material portion; -- used both literally and figuratively. |
| Nucleus (n.) A visceral mass, containing the stomach and other organs, in Tunicata and some mollusks. |
| Nucleus (n.) A whole seed, as contained within the seed coats. |
| Nucleus (n.) An incipient ovule of soft cellular tissue. |
| Nucleus (n.) The body or the head of a comet. |
| Nucleus (n.) The central part around which additional growths are added, as of an operculum. |
| Nucleus (n.) The tip, or earliest part, of a univalve or bivalve shell. |