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Definitions and Synonyms of nucleus | Another word for nucleus | What is nucleus?

Definition 1: a part of the cell containing DNA and RNA and responsible for growth and reproduction - [noun denoting body]

Synonyms for nucleus in the sense of this definition

(nucleus is a kind of ...) a specialized part of a cell; analogous to an organ

"the first organelle to be identified was the nucleus"

(... is a kind of nucleus ) an oval mass of grey matter located in the caudal part of the subthalamus; associated with the striate body

(... is a kind of nucleus ) the nucleus of the ovum or sperm after fertilization but before they fuse to form the nucleus of the zygote

(nucleus is a part of ...) a threadlike strand of DNA in the cell nucleus that carries the genes in a linear order

"humans have 22 chromosome pairs plus two sex chromosomes"

(nucleus is a part of ...) an obsolete term for the network of viscous material in the cell nucleus on which the chromatin granules were thought to be suspended

(nucleus is a part of ...) the part of a cell nucleus that is relatively uncolored by stains or dyes

(nucleus is a part of ...) the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes

(nucleus is a part of ...) a small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis

(... is part of nucleus) (biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals

(nucleus is made of the substance ...) the protoplasm that constitutes the nucleus of a cell

Definition 2: any histologically identifiable mass of neural cell bodies in the brain or spinal cord - [noun denoting body]

(nucleus is a kind of ...) a structure that is part of the nervous system

(... is a kind of nucleus ) a large laminar nucleus of grey matter within the white matter of each cerebral hemisphere

Definition 3: the central structure of the lens that is surrounded by the cortex - [noun denoting body]

Synonyms for nucleus in the sense of this definition

(nucleus is a kind of ...) a particular complex anatomical part of a living thing and its construction and arrangement

"he has good bone structure"

Definition 4: a small group of indispensable persons or things - [noun denoting group]

Samples where nucleus or its synonyms are used according to this definition

  • five periodicals make up the core of their publishing program

Synonyms for nucleus in the sense of this definition

(nucleus is a kind of ...) a group of things of the same kind that belong together and are so used

"a set of books" "a set of golf clubs" "a set of teeth"

(... is a kind of nucleus ) a nucleus of military personnel capable of expansion

Definition 5: the positively charged dense center of an atom - [noun denoting object]

(nucleus is a kind of ...) a point equidistant from the ends of a line or the extremities of a figure

(nucleus is a part of ...) a constituent (proton or neutron) of an atomic nucleus

(... is part of nucleus) (physics and chemistry) the smallest component of an element having the chemical properties of the element

Definition 6: (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 - [noun denoting object]

(nucleus is a kind of ...) a point equidistant from the ends of a line or the extremities of a figure

(... is part of nucleus) (astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit

(nucleus belongs to category ...) the branch of physics that studies celestial bodies and the universe as a whole

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