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solo : symphony

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Magi definition, (sometimes lowercase) the wise men, generally assumed to be three in number, who paid homage to the infant Jesus. Matt. 2:1-12. See more.

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Incantation definition, the chanting or uttering of words purporting to have magical power. See more.

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Cells definition, a small room, as in a convent or prison. See more.

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QUIZZES

DO YOU KNOW THESE 9TH GRADE VOCABULARY WORDS?

Test your vocab skills and see if you can ace this practice test full of teacher-selected 9th grade terms.

Words nearby nuclei

nuclease, nucleate, nucleated, nucleating agent, nucleation, nuclei, nuclei nervi vestibulocochlearis, nuclei of origin, nucleic acid, nucleic acids, nucleic-acid probe

Definition for nuclei (2 of 2)

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for nuclei (1 of 2)

British Dictionary definitions for nuclei (2 of 2)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for nuclei (1 of 2)

Medical definitions for nuclei (2 of 2)

A large, membrane-bound, usually spherical protoplasmic structure within a living cell, containing the cell's hereditary material and controlling its metabolism, growth, and reproduction.

A membraneless structure in microorganisms that contains genetic material but does not itself replicate.

A group of specialized nerve cells or a localized mass of gray matter in the brain or spinal cord.

The substance around which a urinary or other calculus forms.

The positively charged central region of an atom that is composed of protons and neutrons and that contains almost all of the mass of the atom.

A group of atoms bound in a structure, such as a benzene ring, that is resistant to alteration in chemical reactions.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for nuclei

The positively charged central region of an atom, composed of one or more protons and (for all atoms except hydrogen) one or more neutrons, containing most of the mass of the atom. The strong force binds the protons and neutrons, also known as nucleons, to each other, overcoming the mutual repulsion of the positively charged protons. In nuclei with many nucleons, however, the forces of repulsion may overcome the strong force, and the nucleus breaks apart in the process of radioactive decay. The protons and neutrons are arranged in the nucleus in energy levels known as shells analogous to those of the electrons orbiting the nucleus. The number of protons in the nucleus determines the atom's atomic number and its position in the Periodic Table.

An organelle in the cytoplasm of eukaryotic cells (all cells except prokaryotes) that contains nearly all the cell's DNA and controls its metabolism, growth, and reproduction. The nucleus is surrounded by a pair of membranes called the nuclear envelope, which can be continuous in places with the membranes of the endoplasmic reticulum. The membranes of the nuclear envelope have interconnected pores that allow the exchange of substances with the cell's cytoplasm. The nuclear DNA is wrapped around proteins (called histones) in strands of chromatin, which exists in a matrix known as nucleoplasm (analogous to the cytoplasm outside the nucleus). Just prior to cell division, the chromatin condenses into individual chromosomes, which contain the cell's hereditary information. The nucleus also contains at least one spherical nucleolus, which mainly contains RNA and proteins and directs the construction of the cell's ribosomes.

The solid central part of a comet, typically several kilometers in diameter and composed of ice, frozen gases, and embedded chunks of rock and dust. It is the permanent part of a comet from which the coma and tail are generated as the comet approaches the Sun.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for nuclei (1 of 2)

The small, dense center of the atom. The nucleus is composed of protons and neutrons and has a positive electrical charge.

notes for nucleus

Nuclear physics deals with the composition and structure of the nucleus.

Cultural definitions for nuclei (2 of 2)

In biology, the central region of the cell, in which DNA is stored. The nucleus usually appears as a dark spot in the interior of the cell. Primitive cells (such as bacteria and blue-green algae) have no nuclei.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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DO YOU KNOW THESE 9TH GRADE VOCABULARY WORDS? Test your vocab skills and see if you can ace this practice test full of teacher-selected 9th grade terms. nuclease, nucleate, nucleated, nucleating agent, nucleation, nuclei, nuclei nervi vestibulocochlearis, nuclei of origin, nucleic acid, nucleic acids, nucleic-acid probe Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc.

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Definition of insurgence | Dictionary.com

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Definition of insurgence from Dictionary.com, the world's leading online source for English definitions, pronunciations, word origins, idioms, Word of the Day, and more.

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Definition of resurgence | Dictionary.com

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Definition of resurgence from Dictionary.com, the world's leading online source for English definitions, pronunciations, word origins, idioms, Word of the Day, and more.

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Symphony definition, an elaborate instrumental composition in three or more movements, similar in form to a sonata but written for an orchestra and usually of far grander proportions and more varied elements. See more.

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Solo definition, a musical composition or a passage or section in a musical composition written for performance by one singer or instrumentalist, with or without accompaniment: She sang a solo. See more.

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Dialogue definition, conversation between two or more persons. See more.

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Monologue definition, a form of dramatic entertainment, comedic solo, or the like by a single speaker: a comedian's monologue. See more.