| nuclease |
any of several enzymes that facilitate the hydrolysis of nucleic acids. |
| nucleate |
possessing a nucleus or nuclei. [4 definitions] |
| nuclei |
pl. of nucleus. |
| nucleic acid |
any of a group of essential, complex acids comprising the genetic material of all living cells; DNA or RNA. |
| nucleolus |
a small spherical body in the nucleus of a cell, consisting of protein and RNA. |
| nucleon |
a proton or neutron, esp. as a component of an atomic nucleus. |
| nucleonics |
(used with a sing. verb) the science or technology having to do with atomic nuclei, esp. with nuclear energy. |
| nucleophile |
a substance that donates electrons or has an affinity for atomic nuclei. |
| nucleotide |
any of a class of esters on which nucleic acids are based. |
| nucleus |
the central, essential, or highly concentrated part around which other parts are grouped. [4 definitions] |
| nuclide |
a category of atoms, all of which have the same number of protons and neutrons and the same nuclear energy. [2 definitions] |
| nude |
not wearing clothes; naked. [5 definitions] |
| nudge |
to push gently or touch, esp. with the elbow and esp. so as to attract attention. [4 definitions] |
| nudism |
the belief in or the practice of not wearing clothes, esp. with others of both sexes in designated settings. |
| nudity |
the condition or fact of being unclothed; nakedness. |
| nuée ardente |
a thick volcanic cloud that explodes and pours down the sides of a volcano. |
| nugatory |
having little or no real importance or value; trifling. [2 definitions] |
| nugget |
a small, solid lump, esp. of a precious metal such as gold. [2 definitions] |
| nuisance |
someone or something that is annoying or troublesome. |
| nuisance tax |
a tax that is considered to be a nuisance because it is levied on small, separate purchases and paid by the consumer. |
| Nukualofa |
the capital of Tonga. |