nuclear
— Adjective
– English
～ of or relating to or constituting the nucleus of a cell; "nuclear membrane"; "nuclear division"
nuclear
— Adjective
– English
～ constituting or like a nucleus; "annexation of the suburban fringe by the nuclear metropolis"; "the nuclear core of the congregation"
nuclease
— Noun
– English
～ general term for enzymes that catalyze the hydrolysis of nucleic acid by cleaving chains of nucleotides into smaller units
nucleate
— Verb
– English
～ form into a nucleus; "Some cells had nucleated"
nucleate
— Adjective
– English
～ having a nucleus or occurring in the nucleus; "nucleated cells"
nucleated
— Adjective
– English
～ having a nucleus or occurring in the nucleus; "nucleated cells"
nucleic acid
— Noun
– English
～ (biochemistry) any of various macromolecules composed of nucleotide chains that are vital constituents of all living cells
nucleole
— Noun
– English
～ a small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis
nucleolus
— Noun
– English
～ a small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis
nucleon
— Noun
– English
～ a constituent (proton or neutron) of an atomic nucleus
nucleonics
— Noun
– English
～ the branch of physics that studies the internal structure of atomic nuclei
nucleoplasm
— Noun
– English
～ the protoplasm that constitutes the nucleus of a cell
nucleoprotein
— Noun
– English
～ any of several substances found in the nuclei of all living cells; consists of a protein bound to a nucleic acid
nucleoside
— Noun
– English
～ a glycoside formed by partial hydrolysis of a nucleic acid
nucleosynthesis
— Noun
– English
～ (astronomy) the cosmic synthesis of atoms more complex than the hydrogen atom
nucleotide
— Noun
– English
～ a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)
nucleus niger
— Noun
– English
～ a layer of deeply pigmented grey matter in the midbrain; associated with the striate body; is involved in metabolic disturbances associated with Parkinson's disease and with Huntington's disease
nucleus
— Noun
– English
～ a small group of indispensable persons or things; "five periodicals make up the core of their publishing program"
nucleus
— Noun
– English
～ the central structure of the lens that is surrounded by the cortex
nucleus
— Noun
– English
～ (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail