Nucleophilic
[noo-klee-uh-fil-ik, nyoo-] /ˌnu kli əˈfɪl ɪk, ˌnyu-/
adjective, Chemistry.
1.
of or relating to electron contribution in covalent bonding (opposed to ).
/ˌnjuːklɪəʊˈfɪlɪk/
adjective
1.
(chem) having or involving an affinity for positive charge. Nucleophilic reagents (nucleophiles) are molecules, atoms, and ions that behave as electron donors Compare electrophilic
Read Also:
- Nucleoplasm
[noo-klee-uh-plaz-uh m, nyoo-] /ˈnu kli əˌplæz əm, ˈnyu-/ noun, Cell Biology. 1. the protoplasm of the nucleus of a cell. /ˈnjuːklɪəˌplæzəm/ noun 1. the protoplasm in the nucleus of a plant or animal cell that surrounds the chromosomes and nucleolus Also called karyoplasm nucleoplasm nu·cle·o·plasm (nōō’klē-ə-plāz’əm, nyōō’-) n. Protoplasm of a cell nucleus. Also called […]
- Nucleoprotein
[noo-klee-uh-proh-teen, -tee-in, nyoo-] /ˌnu kli əˈproʊ tin, -ti ɪn, ˌnyu-/ noun, Biochemistry. 1. any of the class of conjugated occurring in cells and consisting of a combined with a nucleic acid, essential for cell division and reproduction. /ˌnjuːklɪəʊˈprəʊtiːn/ noun 1. a compound within a cell nucleus that consists of a protein bound to a nucleic […]
- Nucleorrhexis
nucleorrhexis nu·cle·or·rhex·is (nōō’klē-ə-rěk’sĭs) n. Fragmentation of a cell nucleus.
- Nucleosidase
[noo-klee-uh-sahy-deys, -deyz, nyoo-] /ˌnu kli əˈsaɪ deɪs, -deɪz, ˌnyu-/ noun, Biochemistry. 1. any of the class of enzymes that catalyze the hydrolysis of . nucleosidase nu·cle·o·si·dase (nōō’klē-ə-sī’dās’, -dāz’, -klē-ō’sĭ-, nyōō’-) n. Any of various enzymes that catalyze the hydrolysis of nucleosides, releasing their purine or pyrimidine base.
- Nucleoside
[noo-klee-uh-sahyd, nyoo-] /ˈnu kli əˌsaɪd, ˈnyu-/ noun, Biochemistry. 1. any of the class of compounds derived by the hydrolysis of nucleic acids or nucleotides, consisting typically of deoxyribose or ribose combined with adenine, guanine, cytosine, uracil, or thymine. /ˈnjuːklɪəˌsaɪd/ noun 1. (biochem) a compound containing a purine or pyrimidine base linked to a sugar (usually […]