Fission

Word FISSION
Character 7
Hyphenation fis sion
Pronunciations /ˈfɪʃən/

Definitions and meanings of "Fission"

What do we mean by fission?

The act or process of splitting into parts. noun

A nuclear reaction in which an atomic nucleus, especially a heavy nucleus, such as an isotope of uranium, splits into fragments, usually two fragments of comparable but unequal mass, and releases a few neutrons and about 100 million electron volts of energy. Nuclear fission may occur spontaneously or may be induced by the absorption of a neutron, which can initiate a nuclear chain reaction. noun

An asexual reproductive process in which a unicellular organism divides into two or more independently maturing daughter cells. noun

To cause (an atom) to undergo fission. intransitive verb

To undergo fission. intransitive verb

The act of cleaving, splitting, or breaking up into parts. noun

In biology, the automatic division of a cell or an independent organism into new cells or organisms; especially, such division as a process of multiplication or reproduction. Also fissuration. See cut under Paramecium. noun

A cleaving, splitting, or breaking up into parts. noun

A method of asexual reproduction among the lowest (unicellular) organisms by means of a process of self-division, consisting of gradual division or cleavage of the into two parts, each of which then becomes a separate and independent organisms; as when a cell in an animal or plant, or its germ, undergoes a spontaneous division, and the parts again subdivide. See Segmentation, and Cell division, under Division. noun

A process by which certain coral polyps, echinoderms, annelids, etc., spontaneously subdivide, each individual thus forming two or more new ones. See Strobilation. noun

The act or process of disintegration of an atomic nucleus into two or more smaller pieces; called also nuclear fission. The process may be spontaneous or induced by capture of neutrons or other smaller nuclei, and usually proceeds with evolution of energy. noun

The process whereby one item splits to become two. noun

The process of splitting the nucleus of an atom into smaller particles; nuclear fission noun

The process by which a bacterium splits to form two daughter cells. noun

To cause to undergo fission. verb

To undergo fission. verb

A nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy noun

Reproduction of some unicellular organisms by division of the cell into two more or less equal parts noun

The process whereby one item splits to become two.

Short for nuclear fission: The process of splitting the nucleus of an atom into smaller particles.

The process by which a bacterium splits to form two daughter cells.

Synonyms and Antonyms for Fission

The word "fission" in example sentences

When an organ becomes divided it receives at the hands of descriptive botanists the appellations cleft, partite, or sect, according to the depth of the division; hence in considering the teratological instances of this nature, the term fission has suggested itself as an appropriate one to be applied to the subdivision of an habitually entire or undivided organ. ❋ Maxwell T. Masters (N/A)

(1878-1968) interpreted the fission of uranium (the term fission is another Copenhagen contribution), in terms of the "liquid drop model." ❋ Unknown (2002)

Nuclear fission is neither clean nor safe nor unlimited. ❋ Unknown (2010)

Once we secure all that, I hope that we can figure out how to use it in fission reactors to create electricity of be batteries for deep space probes (for where solar panels won't generate enough power). ❋ Unknown (2010)

I think nuclear fission is a bad way to get energy. ❋ Unknown (2007)

The discovery of nuclear fission is very momentous and indeed dangerous, but even more, it is full of promise. ❋ Unknown (1964)

Nuclear fission is one of the major discoveries of all time, and the circumstances of its birth have inevitably done much to impress the layman with the destructive rather than the constructive powers of the science that brought it into being. ❋ Unknown (1957)

[...] Nuclear Fission: Fusion may be commercially available by 2040 if we’re lucky, but fission is here today. ❋ Unknown (2009)

- Nuclear power is produced by harnessing the heat produced by the splitting of atoms inside uranium - a process known as fission. ❋ Unknown (2011)

Nuclear fission occurs when heavy atoms such as uranium or plutonium split into smaller, lighter atoms, releasing neutrons and energy. ❋ GayandRight (2009)

They all give the total yield for the tests conducted on May 11 -- that is, a fission device of 15 kilotons and a thermonuclear device of 45 kilotons -- as adding up to 60 kilotons. ❋ Unknown (2008)

When a U-235 atom is struck by a neutron, it breaks into fragments known as fission products which consist of other atoms near the middle of the table of atomic numbers, and also releases neutrons which strike other U-235 atoms, thereby maintaining a chain reaction. ❋ Unknown (2008)

Nuclear power reactors currently in use generate power by taking advantage of the opposite process, nuclear fission, which is the breaking up of larger atoms into smaller ones. ❋ Nick Anthis (2006)

The splitting process, known as fission, releases great amounts of energy. ❋ Unknown (2005)

(Fig.  11, _B_), known as fission, a wall is formed across the cell, dividing it into two cells, which may separate immediately or may remain united until they have undergone further division. ❋ Douglas Houghton Campbell (N/A)

Multiplication is effected through fission, that is to say, each globule or filament, after elongating, divides into two segments, each of which increases in its turn, to again divide into two parts, and so on (Fig. 2, I. b). ❋ Various (N/A)

The many safety mechanisms of a nuclear plant focus mainly on keeping these so-called fission products out of the environment. ❋ By WILLIAM J. BROAD (2011)

Another instrument detects the parade of radioactive isotopes, called fission products, produced in a nuclear blast or reactor. ❋ Unknown (2011)

Cross Reference for Fission

  • Fission cross reference not found!

What does fission mean?

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